@booklet {6970,
	title = {MANASSE, E. 1909. Contribuzioni allo studio petrografico della Colonia Eritrea. Siena.169 pp.MOHR, P.A. 1962 (reprinted 1971). The geology of Ethiopia. University College of Addis Ababa Press. Addis Ababa. 268 pp.},
	year = {1909},
	note = {MANASSE, E. 1909. Contribuzioni allo studio petrografico della Colonia Eritrea. Siena.169 pp.MOHR, P.A. 1962 (reprinted 1971). The geology of Ethiopia. University College of Addis Ababa Press. Addis Ababa. 268 pp.}
}
