DE DAPPER, M. & DE LAME, D. (Guest Eds.) Africa's Great Rift : Diversity and Unity (PDF format)
DE DAPPER, M. & DE LAME, D. (Guest Eds.) Africa's Great Rift : Diversity and Unity International Conference, Brussels, 29-30 September 2005 ( 360 pp.: 37 fig., 24 tab., 3 ph., 2006)