Temporal and geochemical characteristics of tertiary volcanic rocks and tectonic history in the southern Main Ethiopian rift and the adjacent volcanic fields
T. Yemane et al., Temporal and geochemical characteristics of tertiary volcanic rocks and tectonic history in the southern Main Ethiopian rift and the adjacent volcanic fields, Acta vulcanologica AV. Acta vulcanologica , 11(1), 1999, pp. 99-119