01009nam0-22003371i-450-99000750108040332120070912123922.00-415-14096-X000750108FED01000750108(Aleph)000750108FED0100075010820030814d1999----km-y0itay50------baengGBa-------001yyWorking the Sahelenvironment and society in northern NigeriaMichael Mortimore and William M. AdamsLondon - New YorkRoutledge©1999XIV, 226 p.ill.24 cmGlobal environmental change seriesSahelGeografia socialeNigeriaSviluppoMortimore,Michael271119Adams,William MarkITUNINARICAUNIMARCBK990007501080403321A-EXE 0088B.F.L.F.34016ILFGEILFGEWorking the Sahel676395UNINA