00453nam a2200109 a 4500008004100000100006100041245016400102260005000266003000100316005001700317040000900334                                          aEnvironmental crisis in Africa(d1986: cNairobi, Kenya)  aProceedings of the International conference on drought, desertification and food deficit in Africa,Nairobi Kenya, 3-6 June 1986/ cAfrican Academy of Sciences.  aNairobi: bAcademy Science Publishers, c198620230123133300.0  cNUST