@booklet {6875,
	title = {GOUHIER, J., NOUGIER, J. and NOUGIER, D. 1974. Contribution a l{\textquoteright}etude volcanologique du Cameroun ("Ligne du Cameroun" - Adamaoua). Annales de la Faculte des Sciences, Universite du Cameroun, Yaounde, 17: 3-48.NONO, A., DERUELLE, B., DEMAIFFE, D. and KAMBO},
	year = {1974},
	note = {GOUHIER, J., NOUGIER, J. and NOUGIER, D. 1974. Contribution {\`a} l{\textquoteright}{\'e}tude volcanologique du Cameroun ("Ligne du Cameroun" - Adamaoua). Annales de la Facult{\'e} des Sciences, Universit{\'e} du Cameroun, Yaound{\'e}, 17: 3-48.NONO, A., DERUELLE, B., DEMAIFFE, D. and KAMBOU, R. 1994. Tchabal Nganha volcano in Adamawa (Cameroon): petrology of a continental alkaline lava series. Journal of Volcanology and Geothermal Research, 60: 147-78.}
}
