@booklet {4480,
	title = {ECKEL, E.B., MILTON, C. and SULSONA, P.T. 1959. Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 1-110.},
	year = {1959},
	note = {ECKEL, E.B., MILTON, C. and SULSONA, P.T. 1959. Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 1-110.}
}
@booklet {4525,
	title = {ELLERT, R. 1959. Contribuicao a geologia do macico alcalino de Pocos de Caldas. Boletim da Faculdade de Filosofia Ciencias e Letras, Universidade de Sao Paulo, Geologia, 237(18): 1-63.},
	year = {1959},
	note = {ELLERT, R. 1959. Contribuicao a geologia do macico alcalino de Pocos de Caldas. Boletim da Faculdade de Filosofia Ciencias e Letras, Universidade de Sao Paulo, Geologia, 237(18): 1-63.}
}
@booklet {4820,
	title = {HEWITT, D.F. 1959. Geology of Cardiff and Faraday Townships. Annual Report, Ontario Department of Mines, 66(3): 1-82.},
	year = {1959},
	note = {HEWITT, D.F. 1959. Geology of Cardiff and Faraday Townships. Annual Report, Ontario Department of Mines, 66(3): 1-82.}
}
@booklet {4859,
	title = {LYALL, H.B. 1959. Preliminary report on McLachlin-Booth area Temiscamingue Electoral District. Preliminary Report, Quebec Department of Mines, 391: 1-13.},
	year = {1959},
	note = {LYALL, H.B. 1959. Preliminary report on McLachlin-Booth area Temiscamingue Electoral District. Preliminary Report, Quebec Department of Mines, 391: 1-13.}
}
@booklet {5103,
	title = {BEARTH, P. 1959. On the alkali massif of the Werner Bjerge in East Greenland. Meddelelser om Gronland, 153(4): 1-63.},
	year = {1959},
	note = {BEARTH, P. 1959. On the alkali massif of the Werner Bjerge in East Greenland. Meddelelser om Gronland, 153(4): 1-63.}
}
@booklet {5311,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.}
}
@booklet {5313,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50}
}
@booklet {5333,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.}
}
@booklet {5335,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50}
}
@booklet {5336,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50}
}
@booklet {5337,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.}
}
@booklet {5342,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.}
}
@booklet {5346,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.}
}
@booklet {5349,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.}
}
@booklet {5354,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50.}
}
@booklet {5357,
	title = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50},
	year = {1959},
	note = {MILTON, C. and ECKEL, E.B. 1959. Igneous and metamorphic rocks. In Geology and mineral resources of Paraguay - a reconnaissance. Professional Paper, United States Geological Survey, 327: 12-50}
}
@booklet {5620,
	title = {CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C. and SINGEWALD, Q.D. 1959. Geology and thorium deposits of the Wet Mountains, Colorado; a progress report. Bulletin, United States Geological Survey, 1072-H: 491-535.},
	year = {1959},
	note = {CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C. and SINGEWALD, Q.D. 1959. Geology and thorium deposits of the Wet Mountains, Colorado; a progress report. Bulletin, United States Geological Survey, 1072-H: 491-535.}
}
@booklet {5625,
	title = {BALDWIN, B. and MUEHLBERGER, W.R. 1959. Geologic studies of Union County, New Mexico. Bulletin, Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, 63: 1-171.},
	year = {1959},
	note = {BALDWIN, B. and MUEHLBERGER, W.R. 1959. Geologic studies of Union County, New Mexico. Bulletin, Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, 63: 1-171.}
}
@booklet {5647,
	title = {WARNER, L.A., HOLSER, W.T., WILMARTH, V.R. and CAMERON, E.N. 1959. Occurrence of nonpegmatite beryllium in the United States. Professional Paper, United States Geological Survey, 318: 1-198},
	year = {1959},
	note = {WARNER, L.A., HOLSER, W.T., WILMARTH, V.R. and CAMERON, E.N. 1959. Occurrence of nonpegmatite beryllium in the United States. Professional Paper, United States Geological Survey, 318: 1-198}
}
@booklet {5670,
	title = {YATES, R.G. and THOMPSON, G.A. 1959. Geology and quicksilver deposits of the Terlingua district, Texas. Professional Paper, United States Geological Survey, 312: 1-114},
	year = {1959},
	note = {YATES, R.G. and THOMPSON, G.A. 1959. Geology and quicksilver deposits of the Terlingua district, Texas. Professional Paper, United States Geological Survey, 312: 1-114}
}
@booklet {5796,
	title = {ADAMYAN, A.I. and MKRTCHYAN, K.A. 1959. The Garnasar intrusion of alkaline syenites in the eastern part of the Khalabsky ridge. Transactions of the Department of Geology and Mineral Deposits of Armenia, Erevan. 2: 34-37.},
	year = {1959},
	note = {ADAMYAN, A.I. and MKRTCHYAN, K.A. 1959. The Garnasar intrusion of alkaline syenites in the eastern part of the Khalabsky ridge. Transactions of the Department of Geology and Mineral Deposits of Armenia, Erevan. 2: 34-37.}
}
@booklet {5862,
	title = {ORLOVA, M.P. 1959. Alkaline basaltoids of the River Daubaba (Tholass Alatau). Information Collection, VSEGEI, Leningrad, 16: 87-95.},
	year = {1959},
	note = {ORLOVA, M.P. 1959. Alkaline basaltoids of the River Daubaba (Tholass Alatau). Information Collection, VSEGEI, Leningrad, 16: 87-95.}
}
@booklet {5865,
	title = {ORLOVA, M.P. 1959. Alkaline basaltoids of the River Daubaba (Tholass Alatau). Information Collection, VSEGEI, Leningrad, 16: 87-95.},
	year = {1959},
	note = {ORLOVA, M.P. 1959. Alkaline basaltoids of the River Daubaba (Tholass Alatau). Information Collection, VSEGEI, Leningrad, 16: 87-95.}
}
@booklet {5868,
	title = {ORLOVA, M.P. 1959. Alkaline gabbroid intrusions of the north-west part of the Tholoss Alatau Range. Scientific Note, Leningrad University, Geology Series, 291: 91-121.},
	year = {1959},
	note = {ORLOVA, M.P. 1959. Alkaline gabbroid intrusions of the north-west part of the Tholoss Alatau Range. Scientific Note, Leningrad University, Geology Series, 291: 91-121.}
}
@booklet {6038,
	title = {LYASHKEVICH, Z.M. 1959. Petrography of the alkaline massifs of the western part of the Alaisky ridge. PhD Thesis, University of Lvov. 301 pp.},
	year = {1959},
	note = {LYASHKEVICH, Z.M. 1959. Petrography of the alkaline massifs of the western part of the Alaisky ridge. PhD Thesis, University of Lvov. 301 pp.}
}
@booklet {6042,
	title = {LYASHKEVICH, Z.M. 1959. Petrography of the alkaline massifs of the western part of the Alaisky ridge. PhD Thesis, University of Lvov. 301 pp.},
	year = {1959},
	note = {LYASHKEVICH, Z.M. 1959. Petrography of the alkaline massifs of the western part of the Alaisky ridge. PhD Thesis, University of Lvov. 301 pp.}
}
@booklet {6079,
	title = {RAVICH, M.G. and CHAIKA, L.A. 1959. Small intrusions of the Birranga shield. Trudy Nauchno-Issledovatel{\textquoteright}skogo Instituta Geologii Arktiki, Leningrad, 88: 1-149.},
	year = {1959},
	note = {RAVICH, M.G. and CHAIKA, L.A. 1959. Small intrusions of the Birranga shield. Trudy Nauchno-Issledovatel{\textquoteright}skogo Instituta Geologii Arktiki, Leningrad, 88: 1-149.}
}
@booklet {6083,
	title = {RAVICH, M.G. and CHAIKA, L.A. 1959. Small intrusions of the Birranga shield. Trudy Nauchno-Issledovatel{\textquoteright}skogo Instituta Geologii Arktiki, Leningrad, 88: 1-149.},
	year = {1959},
	note = {RAVICH, M.G. and CHAIKA, L.A. 1959. Small intrusions of the Birranga shield. Trudy Nauchno-Issledovatel{\textquoteright}skogo Instituta Geologii Arktiki, Leningrad, 88: 1-149.}
}
@booklet {6258,
	title = {SHOKHINA, O.I. 1959. Specific features of geology of the Bulankul{\textquoteright} alkaline massif (south of the Krasnoyarsk Region). Proceedings of Higher Educational Institutions. Geology and Exploration, Moscow, 3: 54-64.},
	year = {1959},
	note = {SHOKHINA, O.I. 1959. Specific features of geology of the Bulankul{\textquoteright} alkaline massif (south of the Krasnoyarsk Region). Proceedings of Higher Educational Institutions. Geology and Exploration, Moscow, 3: 54-64.}
}
@booklet {6323,
	title = {VLASOV, K.A., KUZ{\textquoteright}MENKO, M.Z. and ES{\textquoteright}KOVA, E.M. 1959. The Lovozero alkaline massif. Akademii Nauk SSSR, Moscow. 623 pp.},
	year = {1959},
	note = {VLASOV, K.A., KUZ{\textquoteright}MENKO, M.Z. and ES{\textquoteright}KOVA, E.M. 1959. The Lovozero alkaline massif. Akademii Nauk SSSR, Moscow. 623 pp.}
}
@booklet {6355,
	title = {ORLOVA, M.P. 1959. On the genesis of turjaite of the Salmagorsky massif on the Kola peninsula. In Materials on the mineralogy of ore deposits. All-Union Scientific Research Geological Institute, New Series, 26: 10-8.},
	year = {1959},
	note = {ORLOVA, M.P. 1959. On the genesis of turjaite of the Salmagorsky massif on the Kola peninsula. In Materials on the mineralogy of ore deposits. All-Union Scientific Research Geological Institute, New Series, 26: 10-8.}
}
@booklet {6365,
	title = {SHURKIN, K.A. 1959. On Palaeozoic pseudo-conglomerates of North Karelia and the Kola peninsula. Doklady Akademii Nauk SSSR, 125: 1329-32.},
	year = {1959},
	note = {SHURKIN, K.A. 1959. On Palaeozoic pseudo-conglomerates of North Karelia and the Kola peninsula. Doklady Akademii Nauk SSSR, 125: 1329-32.}
}
@booklet {6367,
	title = {KURILEVA, N.A. and NOSIKOV, V.V. 1959. Volcanic eruptive pipes on the Kola Peninsula. Razvedka i ohrana nedra, 3: 5-8.},
	year = {1959},
	note = {KURILEVA, N.A. and NOSIKOV, V.V. 1959. Volcanic eruptive pipes on the Kola Peninsula. Razvedka i ohrana nedra, 3: 5-8.}
}
@booklet {6407,
	title = {Shurkin, 1959;},
	year = {1959},
	note = {Shurkin, 1959;}
}
@booklet {6806,
	title = {ANDRADE, M.M. de 1959. Analise quimicas de rochas eruptivas de Angola, publicadas ate fins de 1959. Publicacoes do Museu e Laboratorio Mineralogico e Geologico da Faculdade de Ciencias do Porto, (4 Serie) 76: 1-77.},
	year = {1959},
	note = {ANDRADE, M.M. de 1959. Analise quimicas de rochas eruptivas de Angola, publicadas {\'a}te fins de 1959. Publica{\c c}{\~o}es do Museu e Laboratorio Mineral{\'o}gico e Geol{\'o}gico da Faculdade de Ci{\^e}ncias do Porto, (4 Serie) 76: 1-77.}
}
@booklet {6866,
	title = {KOCH, P. 1959a. Notice explicative sur la feuille Garoua-Ouest. Carte Geologique de Reconnaissance a l{\textquoteright}echelle du 1/500,000. (O52) Republique du Cameroun. Paris.LASSERRE, M. 1978. Mise au point sur les granitoides dits "ultimes" du Cameroun: gisement, pet},
	year = {1959},
	note = {KOCH, P. 1959a. Notice explicative sur la feuille Garoua-Ouest. Carte Geologique de Reconnaissance {\`a} l{\textquoteright}{\'e}chelle du 1/500,000. (O52) R{\'e}publique du Cameroun. Paris.LASSERRE, M. 1978. Mise au point sur les granitoides dits "ultimes" du Cameroun: gisement, p{\'e}trographie et g{\'e}ochronologie. Bulletin du Bureau de Recherches G{\'e}ologiques et Mini{\`e}res. Paris, IV: 143-59.}
}
@booklet {6892,
	title = {CHAMPETIER DE RIBES, G. and REYRE, D. 1959. Notice explicative sur la feuille Yaounde-Ouest. Carte Geologique de Reconnaissance a l{\textquoteright}echelle du 1/500,000. (O21) Republique du Cameroun. Paris.KORNPROBST, J., CANTAGREL, J.-M., FABRIES, J., LASSERRE, M., ROLL},
	year = {1959},
	note = {CHAMPETIER DE RIBES, G. and REYRE, D. 1959. Notice explicative sur la feuille Yaound{\'e}-Ouest. Carte G{\'e}ologique de Reconnaissance {\`a} l{\textquoteright}{\'e}chelle du 1/500,000. (O21) R{\'e}publique du Cameroun. Paris.KORNPROBST, J., CANTAGREL, J.-M., FABRIES, J., LASSERRE, M., ROLLET, M. and SOBA, D. 1976. Existence, au Cameroun, d{\textquoteright}un magmatisme alcalin panafricain ou plus ancien; la sy{\'e}nite n{\'e}ph{\'e}linique {\`a} mboziite de Nkonglong - comparaison avec les roches alcalines connues dans la m{\^e}me r{\'e}gion. Bulletin de la Soci{\'e}t{\'e} G{\'e}ologique de France, 18: 1295-305.LASSERRE, M. and SOBA, D. 1976. Age liberien des granodiorites et des gneiss a pyroxene du Cameroun meridional. Bulletin du Bureau de Recherches G{\'e}ologiques et Mini{\`e}res. Paris, IV: 17-32.}
}
@booklet {6894,
	title = {CHAMPETIER DE RIBES, G. and REYRE, D. 1959. Notice explicative sur la feuille Yaounde-Ouest. Carte Geologique de Reconnaissance a l{\textquoteright}echelle du 1/500,000. (O21) Republique du Cameroun. Paris.},
	year = {1959},
	note = {CHAMPETIER DE RIBES, G. and REYRE, D. 1959. Notice explicative sur la feuille Yaound{\'e}-Ouest. Carte G{\'e}ologique de Reconnaissance {\`a} l{\textquoteright}{\'e}chelle du 1/500,000. (O21) R{\'e}publique du Cameroun. Paris.}
}
@booklet {6895,
	title = {GEZE, B., HUDELEY, H., VINCENT, P. and WACRENIER, P. 1959. Les volcans du Tibesti. Bulletin Volcanologique, 22: 135-72.LACROIX, A. 1934. Volcanisme et lithologie. Le massif volcanique du Tibesti et la region des dykes. In. Mission au Tibesti. Memoires de },
	year = {1959},
	note = {G{\`E}ZE, B., HUDELEY, H., VINCENT, P. and WACRENIER, P. 1959. Les volcans du Tibesti. Bulletin Volcanologique, 22: 135-72.LACROIX, A. 1934. Volcanisme et lithologie. Le massif volcanique du Tibesti et la r{\'e}gion des dykes. In. Mission au Tibesti. M{\'e}moires de l{\textquoteright}Acad{\'e}mie des Sciences de l{\textquoteright}Institute de France. Paris, 61: 169-366.REYNOLDS, P. and HALL, P. 1976. Absolute age and paleomagnetic results from the Tibesti-Garian (Tripoli) North African Cenozoic volcanic line. Eos, Transactions American Geophysical Union, 57: 904.VINCENT, P.M. 1963a. Les volcans Tertiaires et Quaternaires du Tibesti occidental et central (Sahara du Tchad). M{\'e}moires du Bureau de Recherches G{\'e}ologiques et Mini{\`e}res, 23: 1-307.VINCENT, P. 1963b. Le volcanisme ignimbritique du Tibesti occidental (Sahara Tchadien). Essai d{\textquoteright}interpr{\'e}tation dynamique. Bulletin Volcanologique, 26: 259-72.VINCENT, P.M. 1970. The evolution of the Tibesti volcanic province, eastern Sahara. In. T.N. Clifford and I.G. Gass (eds) African Magmatism and Tectonics, 301-19. Oliver \& Boyd, Edinburgh.}
}
@booklet {7199,
	title = {GARSON, M.S. 1959. Geology of the Namangali vent, Mlanje District. Records, Geological Survey of Malawi, 1: 51-62.},
	year = {1959},
	note = {GARSON, M.S. 1959. Geology of the Namangali vent, Mlanje District. Records, Geological Survey of Malawi, 1: 51-62.}
}
@booklet {7268,
	title = {COELHO, A.V.P. 1959a. Reconhecimentos petrograficos sumarios dos macicos da Lupata, Morrumbala, Chiperone-Derre e Milange. Boletim. Servicos de Geologia e Minas, Provincia de Mocambique, 26: 1-47.},
	year = {1959},
	note = {COELHO, A.V.P. 1959a. Reconhecimentos petrogr{\'a}ficos sum{\'a}rios dos maci{\c c}os da Lupata, Morrumbala, Chiperone-Derre e Milange. Boletim. Servi{\c c}os de Geologia e Minas, Prov{\'\i}ncia de Mo{\c c}ambique, 26: 1-47.}
}
@booklet {7638,
	title = {HYTONEN, K. 1959. On the petrology and mineralogy of some alkaline volcanic rocks of Toror Hills, Mt. Moroto, and Morulinga in Karamoja, northeastern Uganda. Bulletin de la Commission Geologique de Finlande, 184: 75-132.TRENDALL, A.F. 1965a. Explanation o},
	year = {1959},
	note = {HYTONEN, K. 1959. On the petrology and mineralogy of some alkaline volcanic rocks of Toror Hills, Mt. Moroto, and Morulinga in Karamoja, northeastern Uganda. Bulletin de la Commission Geologique de Finlande, 184: 75-132.TRENDALL, A.F. 1965a. Explanation of the geology of Sheet 35 (Napak). Report, Geological Survey of Uganda, 12: 1-70.}
}
@booklet {7653,
	title = {NEWTON, A.R. 1959. On the syenite of Mivula Hill, Eastern Province. Records, Geological Survey of Northern Rhodesia, 14-7.NEWTON, A.R. and DRYSDALL, A.R. 1960. Further data on an amphibole from Mivula Hill. Records, Geological Survey of Northern Rhodesia,},
	year = {1959},
	note = {NEWTON, A.R. 1959. On the syenite of Mivula Hill, Eastern Province. Records, Geological Survey of Northern Rhodesia, 14-7.NEWTON, A.R. and DRYSDALL, A.R. 1960. Further data on an amphibole from Mivula Hill. Records, Geological Survey of Northern Rhodesia, 26-9.SNELLING, N.J., JOHNSON, R.L. and DRYSDALL, A.R. 1972. The geochronology of Zambia. Records, Geological Survey of Zambia, 12: 19-30.Turner et al., 1989.}
}
@booklet {7685,
	title = {ADAMYAN, A.I. and MKRTCHYAN, K.A. 1959. The Garnasar intrusion of alkaline syenites in the eastern part of the Khalabsky ridge. Transactions of the Department of Geology and Mineral Deposits of Armenia, Erevan. 2: 34-37.},
	year = {1959},
	note = {ADAMYAN, A.I. and MKRTCHYAN, K.A. 1959. The Garnasar intrusion of alkaline syenites in the eastern part of the Khalabsky ridge. Transactions of the Department of Geology and Mineral Deposits of Armenia, Erevan. 2: 34-37.}
}
