Geomedizin - Westafrika (Nigeria, Kamerun) 4-̊8N̊, 3 ̊15'-9 ̊30' E Medical geography - West Africa (Nigeria, Cameroon) Géographie médicale - Afrique occidentale (Nigéria, Cameroun)
Hinz, Erhard.
Berlin Borntraeger
1984
Medical geography
Medical geography