Saharan dust : mobilization, transport, deposition : papers and recommendations from a workshop held in Gothenburg, Sweden, 25-28 April 1977 Author(s) Morales, Christer
Proceedings of the symposium on the sustainability of agricultural production systems in sub-saharan Africa, 4-7 September 1989, Aas, Norway
Conservation of vegetation in Africa south of the Sahara : proceedings of a symposium held at the 6th plenary meeting of AETFAT in Uppsala, Sept. 12-16 1966 Author(s) Hedberg, Inga Hedberg, Olov
Weissstorchzug : Oekologie, Gefährdung und Schutz des Weissstorchs in Afrika und Nahost Author(s) Schulz, Holger
