@booklet {4689,
	title = {HOGARTH, D.D. 1957. The apatite-bearing veins of Nisikkatch Lake, Saskatchewan. Canadian Mineralogist, 6: 140-50.},
	year = {1957},
	note = {HOGARTH, D.D. 1957. The apatite-bearing veins of Nisikkatch Lake, Saskatchewan. Canadian Mineralogist, 6: 140-50.}
}
@booklet {4815,
	title = {HEWITT, D.F. 1957. Haliburton-Bancroft area. Ontario Department of Mines, Map No. 1957b.},
	year = {1957},
	note = {HEWITT, D.F. 1957. Haliburton-Bancroft area. Ontario Department of Mines, Map No. 1957b.}
}
@booklet {4819,
	title = {HEWITT, D.F. 1957. Haliburton-Bancroft area. Ontario Department of Mines, Map No. 1957b.},
	year = {1957},
	note = {HEWITT, D.F. 1957. Haliburton-Bancroft area. Ontario Department of Mines, Map No. 1957b.}
}
@booklet {4824,
	title = {HEWITT, D.F. 1957. Haliburton-Bancroft area. Ontario Department of Mines, Map No. 1957b.},
	year = {1957},
	note = {HEWITT, D.F. 1957. Haliburton-Bancroft area. Ontario Department of Mines, Map No. 1957b.}
}
@booklet {5415,
	title = {PECORA, W.T. et al. 1957. Preliminary geologic map of the Warrick Quadrangle, Bearpaw Mountains, Montana. United States Geological Survey, Miscellaneous Geological Investigations Map: I-237.},
	year = {1957},
	note = {PECORA, W.T. et al. 1957. Preliminary geologic map of the Warrick Quadrangle, Bearpaw Mountains, Montana. United States Geological Survey, Miscellaneous Geological Investigations Map: I-237.}
}
@booklet {5444,
	title = {KNOPF, A. 1957. The Boulder bathylith of Montana. American Journal of Science, 255: 81-103},
	year = {1957},
	note = {KNOPF, A. 1957. The Boulder bathylith of Montana. American Journal of Science, 255: 81-103}
}
@booklet {5736,
	title = {TOULMIN, P.III. 1957. Notes on a peralkaline granite from Cashes Ledge, Gulf of Maine. American Mineralogist, 42: 912-5},
	year = {1957},
	note = {TOULMIN, P.III. 1957. Notes on a peralkaline granite from Cashes Ledge, Gulf of Maine. American Mineralogist, 42: 912-5}
}
@booklet {5918,
	title = {GORETSKAYA, E.I., UGLOV, S.M. and LESKOV, S.A. 1957. Materials on geology and metallogeny of South Gizzar. Doklady Akademii Nauk Tadzhikskoi SSR, 9: 68-72.},
	year = {1957},
	note = {GORETSKAYA, E.I., UGLOV, S.M. and LESKOV, S.A. 1957. Materials on geology and metallogeny of South Gizzar. Doklady Akademii Nauk Tadzhikskoi SSR, 9: 68-72.}
}
@booklet {5920,
	title = {GORETSKAYA, E.I., UGLOV, S.M. and LESKOV, S.A. 1957. Materials on geology and metallogeny of South Gizzar. Doklady Akademii Nauk Tadzhikskoi SSR, 9: 68-72.},
	year = {1957},
	note = {GORETSKAYA, E.I., UGLOV, S.M. and LESKOV, S.A. 1957. Materials on geology and metallogeny of South Gizzar. Doklady Akademii Nauk Tadzhikskoi SSR, 9: 68-72.}
}
@booklet {5998,
	title = {VINOGRADOV, A.P., TUGARINOV, A.I., FEDOROVA, V.A. and ZYKOV, S.I. 1957. Age of the Precambrian rocks of the Ukraine. Geokhimiya, Communication 3, 7: 559-66.},
	year = {1957},
	note = {VINOGRADOV, A.P., TUGARINOV, A.I., FEDOROVA, V.A. and ZYKOV, S.I. 1957. Age of the Precambrian rocks of the Ukraine. Geokhimiya, Communication 3, 7: 559-66.}
}
@booklet {6039,
	title = {GORETSKAYA, E.I., UGLOV, S.M. and LESKOV, S.A. 1957. Materials on geology and metallogeny of South Gizzar. Doklady Akademii Nauk Tadzhikskoi SSR, 9: 68-72.},
	year = {1957},
	note = {GORETSKAYA, E.I., UGLOV, S.M. and LESKOV, S.A. 1957. Materials on geology and metallogeny of South Gizzar. Doklady Akademii Nauk Tadzhikskoi SSR, 9: 68-72.}
}
@booklet {6144,
	title = {MOOR, G.G. 1957. The differentiated alkaline intrusives of the northern margin of the Siberian Platform (the right bank of the lower stream of the Kotui river). Izvestiya Akademii Nauk SSSR, Seriya Geologicheskaya, 8: 400-52.},
	year = {1957},
	note = {MOOR, G.G. 1957. The differentiated alkaline intrusives of the northern margin of the Siberian Platform (the right bank of the lower stream of the Kotui river). Izvestiya Akademii Nauk SSSR, Seriya Geologicheskaya, 8: 400-52.}
}
@booklet {6201,
	title = {MOOR, G.G. 1957. The differentiated alkaline intrusives of the northern margin of the Siberian Platform (the right bank of the lower stream of the Kotui river). Izvestiya Akademii Nauk SSSR, Seriya Geologicheskaya, 8: 400-52.},
	year = {1957},
	note = {MOOR, G.G. 1957. The differentiated alkaline intrusives of the northern margin of the Siberian Platform (the right bank of the lower stream of the Kotui river). Izvestiya Akademii Nauk SSSR, Seriya Geologicheskaya, 8: 400-52.}
}
@booklet {6505,
	title = {YASHINA, R.M. 1957. Alkaline rocks from southeast Tuva. Izvestiya Akademii Nauk SSSR, 5: 17-36.},
	year = {1957},
	note = {YASHINA, R.M. 1957. Alkaline rocks from southeast Tuva. Izvestiya Akademii Nauk SSSR, 5: 17-36.}
}
@booklet {6512,
	title = {YASHINA, R.M. 1957. Alkaline rocks from southeast Tuva. Izvestiya Akademii Nauk SSSR, 5: 17-36.},
	year = {1957},
	note = {YASHINA, R.M. 1957. Alkaline rocks from southeast Tuva. Izvestiya Akademii Nauk SSSR, 5: 17-36.}
}
@booklet {6521,
	title = {YASHINA, R.M. 1957. Alkaline rocks from southeast Tuva. Izvestiya Akademii Nauk SSSR, 5: 17-36.},
	year = {1957},
	note = {YASHINA, R.M. 1957. Alkaline rocks from southeast Tuva. Izvestiya Akademii Nauk SSSR, 5: 17-36.}
}
@booklet {6826,
	title = {ANDRADE, M.M. de 1957. Rochas vulcanicas da orla mesocenozoica entre Benguela e Mocamedes. Garcia de Orta. Revista da Junta de Investigacoes do Ultramar, 5: 739-68.LAPIDO-LOUREIRO, F.E. 1967. Consideracoes sobre o quimismo dos sienitos nefelinicos. Breves},
	year = {1957},
	note = {ANDRADE, M.M. de 1957. Rochas vulc{\^a}nicas da orla mesocenoz{\'o}ica entre Benguela e Mo{\c c}{\^a}medes. Garcia de Orta. Revista da Junta de Investiga{\c c}{\~o}es do Ultramar, 5: 739-68.LAPIDO-LOUREIRO, F.E. 1967. Consideracoes sobre o quimismo dos sienitos nefel{\'\i}nicos. Breves refer{\^e}ncias a rochas alcalinas de Angola e ao seu interesse econ{\'o}mico. Boletim do Instituto de Investiga{\c c}{\~a}o Cient{\'\i}fica de Angola, 4: 37-65.}
}
@booklet {6837,
	title = {ANDRADE, M.M. de 1957. Rochas vulcanicas da orla mesocenozoica entre Benguela e Mocamedes. Garcia de Orta. Revista da Junta de Investigacoes do Ultramar, 5: 739-68.BEETZ, P.F.W. 1934. Geology of south west Angola, between Cunene and Lunda Axis. Transactio},
	year = {1957},
	note = {ANDRADE, M.M. de 1957. Rochas vulc{\^a}nicas da orla mesocenoz{\'o}ica entre Benguela e Mo{\c c}{\^a}medes. Garcia de Orta. Revista da Junta de Investiga{\c c}{\~o}es do Ultramar, 5: 739-68.BEETZ, P.F.W. 1934. Geology of south west Angola, between Cunene and Lunda Axis. Transactions of the Geological Society of South Africa, 36: 137-76.LAPIDO-LOUREIRO, F.E. 1967. Consideracoes sobre o quimismo dos sienitos nefel{\'\i}nicos. Breves refer{\^e}ncias a rochas alcalinas de Angola e ao seu interesse econ{\'o}mico. Boletim do Instituto de Investiga{\c c}{\~a}o Cient{\'\i}fica de Angola, 4: 37-65.}
}
@booklet {7152,
	title = {BUSSIERE, P. 1957b. Le massif volcanique del{\textquoteright}Itasy. Travaux du Bureau Geologique. Haut Commissariat de Madagascar et Dependances, Service Geologique, Tananarive, 83: 159-67.LACROIX, A. 1912. Les volcans du centre de Madagascar: le massif de l{\textquoteright}Itasy. Compt},
	year = {1957},
	note = {BUSSIERE, P. 1957b. Le massif volcanique del{\textquoteright}Itasy. Travaux du Bureau G{\'e}ologique. Haut Commissariat de Madagascar et Dependances, Service G{\'e}ologique, Tananarive, 83: 159-67.LACROIX, A. 1912. Les volcans du centre de Madagascar: le massif de l{\textquoteright}Itasy. Compte Rendus Hebdomadaires des S{\'e}ances de l{\textquoteright}Acad{\'e}mie des Sciences, Paris. 154: 313-7. lithologie. A. Challamel, Paris. 694 pp.LACROIX, A. 1923. Min{\'e}ralogie de Madagascar. 3. Lithologie Appendice - Index Geographique. Soci{\'e}t{\'e} d{\textquoteright}{\'E}ditions G{\'e}ographiques, Maritimes et Coloniales, Paris. 450 pp.LENOBLE, A. 1940. {\'E}tudes sur la g{\'e}ologie de Madagascar. III. Le massif volcanique de l{\textquoteright}Itasy. M{\'e}moires de l{\textquoteright}Acad{\'e}mie Malgache, Tananarive. 32: 43-77. NICOLLET, C. 1984. Le volcanisme dans le Sud-Ouest Madagascar. Journal of African Earth Sciences, 2: 383-8.}
}
@booklet {7408,
	title = {ASSUNCAO, C.T. de 1957. Alguns aspectos da petrografia da Ilha de S. Tome. Garcia de Orta, Junta das Missoes Geograficas e de Investigacoes do Ultramar, 5: 497-515.BALLENTINE, C.J., LEE, D.-C. and HALLIDAY, A.N. 1997. Hafnium isotopic studies of the Camer},
	year = {1957},
	note = {ASSUN{\c C}{\~A}O, C.T. de 1957. Alguns aspectos da petrografia da Ilha de S. Tom{\'e}. Garcia de Orta, Junta das Miss{\~o}es Geogr{\'a}ficas e de Investiga{\c c}{\~o}es do Ultramar, 5: 497-515.BALLENTINE, C.J., LEE, D.-C. and HALLIDAY, A.N. 1997. Hafnium isotopic studies of the Cameroon line and new HIMU paradoxes. Chemical Geology, 139: 111-24.CARVALHO, A.F. de 1921. As rochas da ilha de S. Tom{\'e}. Publica{\c c}{\~o}es do Museu Mineral{\'o}gico e Geol{\'o}gico da Universidade de Coimbra. Mem{\'o}rias e Not{\'\i}cias, 1: 9-24.FITTON, J.G. 1987. The Cameroon line, West Africa: a comparison between oceanic and continental alkaline volcanism. In J.G. Fitton and B.G.J. Upton (eds) Alkaline igneous rocks. 273-91. Geological Society of London Special Publication 30.FITTON, J.G. and DUNLOP, H.M. 1985. The Cameroon line, West Africa, and its bearing on the origin of oceanic and continental alkali basalt. Earth and Planetary Science Letters, 72: 23-38.GRUNAU, H.R., LEHNER, P., CLEINTUAR, M.R., ALLENBACH, P. and BAKKER, G. 1975. New radiometric ages and seismic data from Fuertaventura (Canary Islands), Maio (Cape Verde Islands), and Sao Tome (Gulf of Guinea). In G.J. Borradaille, A. R. Ritsema, H.E. Rondeel and O.J. Simon (eds) Progress in geodynamics. (Proceedings of the National Symposium on Geodynamics held in Amsterdam, April 3-4, 1975). 90-103. North-Holland, Amsterdam.HALLIDAY, A.N., DICKIN, A.P., FALLICK, A.E. and FITTON, J.G. 1988. Mantle dynamics: a Nd, Sr, Pb and O isotopic study of the Cameroon Line volcanic chain. Journal of Petrology, 29: 181-211.MITCHELL-THOM{\'E}, R.C. 1970. Geology of the South Atlantic islands. Gebruder Borntraeger, Berlin. 367 pp.PIPER, J.D.A. and RICHARDSON, A. 1972. The palaeomagnetism of the Gulf of Guinea volcanic province, West Africa. The Geophysical Journal of the Royal Astronomical Society, 29: 147-71.}
}
@booklet {7610,
	title = {SPENCE, J. 1957. The geology of part of the Eastern Province of Tanganyika. Geological Survey of Tanganyika, Bulletin, 28: 1-62.},
	year = {1957},
	note = {SPENCE, J. 1957. The geology of part of the Eastern Province of Tanganyika. Geological Survey of Tanganyika, Bulletin, 28: 1-62.}
}
