@booklet {6975,
	title = {BLANFORD, W.T. 1870. Observations on the geology and zoology of Abyssinia. Macmillan, London. 487 pp.LE BAS, M.J. and MOHR, P.A. 1968. Feldspathoidal rocks from the Cainozoic volcanic province of Ethiopia. Geologischer Rundschau, 58: 273-80.MERLA, G. and },
	year = {1870},
	note = {BLANFORD, W.T. 1870. Observations on the geology and zoology of Abyssinia. Macmillan, London. 487 pp.LE BAS, M.J. and MOHR, P.A. 1968. Feldspathoidal rocks from the Cainozoic volcanic province of Ethiopia. Geologischer Rundschau, 58: 273-80.MERLA, G. and MINUCCI, E. 1938. Missione geologica nel Tigrai. Reale Accademia d{\textquoteright}Italia. Centro Studi per l{\textquoteright}Africa Orientale Italiana, Roma, 3: 1-363.MERLA, G., ABBATE, E., AZZAROLI, A., BRUNI, P., CANUTI, P., FAZZUOLI, M., SAGRI, M. and TACCONI, P. 1979. A geological map of Ethiopia and Somalia (1973) 1:2,000,000 and comment with a map of major landforms. Consiglio Nazionale delle Ricerche Italy. Centro Stampa, Firenze. 1-95.MOHR, P.A. 1962a (reprinted 1971). The geology of Ethiopia. University College of Addis Ababa Press, Addis Ababa. 268 pp.PRIOR, G.T. 1899. Riebeckite in trachytic rocks from Abyssinia. Mineralogical Magazine, 12: 92-5.PRIOR, G.T. 1900. Aegirine and riebeckite anorthoclase rocks related to the "grorudite-tinguaite" series, from the neighbourhood of Adowa and Axum, Abyssinia. Mineralogical Magazine, 12: 255-73.}
}
