@booklet {4293,
	title = {BONORINO, F. G. 1950. Geologia y petrografia de las Hojas 12d (Capillitos) y 13d (Andalgala). Boletin, Argentina Ministerio de Industria y Comercio de la Nacion. Direccion General de Industria Minera, 70{\quotesinglbase} 1-100.},
	year = {1950},
	note = {BONORINO, F. G. 1950. Geologia y petrografia de las Hojas 12d (Capillitos) y 13d (Andalgala). Boletin, Argentina Ministerio de Industria y Comercio de la Nacion. Direccion General de Industria Minera, 70{\quotesinglbase} 1-100.}
}
@booklet {6976,
	title = {COMUCCI, P. 1950. Le vulcaniti del Lago Tana (Africa Orientale). Accademia Nazionale Lincei, Rome. 209 pp.MOHR, P.A. 1967a. Review of the geology of the Simien Mountains. Bulletin of the Geophysical Observatory, Haile Sellassie I University, Addis Ababa, },
	year = {1950},
	note = {COMUCCI, P. 1950. Le vulcaniti del Lago Tana (Africa Orientale). Accademia Nazionale Lincei, Rome. 209 pp.MOHR, P.A. 1967a. Review of the geology of the Simien Mountains. Bulletin of the Geophysical Observatory, Haile Sellassie I University, Addis Ababa, 10: 79-93.}
}
@booklet {6998,
	title = {COMUCCI, P. 1950. Le vulcaniti del Lago Tana (Africa Orientale). Accademia Nazionale Lincei, Rome. 209 pp.MOHR, P.A. 1962a (reprinted 1971). The geology of Ethiopia. University College of Addis Ababa Press, Addis Ababa. 268 pp.},
	year = {1950},
	note = {COMUCCI, P. 1950. Le vulcaniti del Lago Tana (Africa Orientale). Accademia Nazionale Lincei, Rome. 209 pp.MOHR, P.A. 1962a (reprinted 1971). The geology of Ethiopia. University College of Addis Ababa Press, Addis Ababa. 268 pp.}
}
@booklet {7009,
	title = {HIEKE, M.O. 1950. I basalti dell{\textquoteright}Africa Orientale. Memorie degli Istituti di Geologia e Mineralogia dell{\textquoteright}Universita di Padova, 17: 1-42.HIEKE, M.O. 1953. Le vulcaniti acide dell{\textquoteright}Africa Orientale. Memorie degli Istituti di Geologia e Mineralogia dell{\textquoteright}Unive},
	year = {1950},
	note = {HIEKE, M.O. 1950. I basalti dell{\textquoteright}Africa Orientale. Memorie degli Istituti di Geologia e Mineralogia dell{\textquoteright}Universita di Padova, 17: 1-42.HIEKE, M.O. 1953. Le vulcaniti acide dell{\textquoteright}Africa Orientale. Memorie degli Istituti di Geologia e Mineralogia dell{\textquoteright}Universita di Padova, 18: 1-45.VARET, J. 1978. Geology of Central and Southern Afar (Ethiopia and Djibouti Republic). Editions du Centre National de la Recherche Scientifique, Paris. (Explanation accompanying Geological map of central and southern Afar. 1:500,000).}
}
@booklet {7233,
	title = {AGARD, J. 1950. Sur l{\textquoteright}age le mode de gisement des aiounites et mestigmerites du Maroc Oriental. Notes et Memoires. Service Geologique Maroc, 76(3): 189-95.CHARLOT, R., CHOUBERT, G., FAURE-MURET, A and HAMEL, C. 1964. Age des aiounites du Maroc nord-orient},
	year = {1950},
	note = {AGARD, J. 1950. Sur l{\textquoteright}{\^a}ge le mode de gisement des a{\"\i}ounites et mestigmerites du Maroc Oriental. Notes et M{\'e}moires. Service G{\'e}ologique Maroc, 76(3): 189-95.CHARLOT, R., CHOUBERT, G., FAURE-MURET, A and HAMEL, C. 1964. Age des a{\"\i}ounites du Maroc nord-oriental. Compte Rendu Sommaire des S{\'e}ances de la Soci{\'e}t{\'e} G{\'e}ologique de France, 401-2.CHEROTZKY, G. 1967. {\`A} propos de la composition chimique des mestigmerites et a{\"\i}ounites. Mines et G{\'e}ologie. Royaume du Maroc, Ministere du Commerce, de l{\textquoteright}Artisanat, de l{\textquoteright}Industrie et des Mines. Rabat, 25: 51-6.J{\'E}R{\'E}MINE , E. 1948. Sur quelques roches provenant du Maroc Oriental a{\"\i}ounite and mestigmerite. Notes et M{\'e}moires. Service G{\'e}ologique Maroc, 71(1): 67-71.MOKHTARI, A. and VELDE, D. 1988. Xenocrysts in Eocene camptonites from Taourirt, northern Morocco. Mineralogical Magazine, 52: 587-601.MOKHTARI, A., WAGNER, C. and VELDE, D. 1996. D{\'e}couverte d{\textquoteright}une enclave de carbonatite dans une camptonite de la region de Taourirt (Nord-est du Maroc). Cons{\'e}quences g{\'e}ologiques. Comptes Rendus de l{\textquoteright}Acad{\'e}mie des Sciences, Paris. Sciences de la Terre et des Plan{\`e}tes, Ser 2, 323: 467-74.WAGNER, C., MOKHTARI, A. and VELDE, D. 1993. Xenocrystic richterite in an olivine-nephelinite: destabilisation and diffusion phenomena. Mineralogical Magazine, 57: 515-25.}
}
@booklet {7421,
	title = {STRAUSS, C.A. and TRUTER, F.C. 1950b. Post-Bushveld ultrabasic, alkali and carbonatitic eruptives at Magnet Heights, Sekukuniland, eastern Transvaal. Transactions of the Geological Society of South Africa, 53: 169-90VERWOERD, W.J. 1967. The carbonatites o},
	year = {1950},
	note = {STRAUSS, C.A. and TRUTER, F.C. 1950b. Post-Bushveld ultrabasic, alkali and carbonatitic eruptives at Magnet Heights, Sekukuniland, eastern Transvaal. Transactions of the Geological Society of South Africa, 53: 169-90VERWOERD, W.J. 1967. The carbonatites of South Africa and South West Africa. Geological Survey of South Africa, Handbook, 6: 1-452}
}
