00957nam0-22003011i-450 99000175936040332120190404141853.0000175936FED01000175936(Aleph)000175936FED0100017593620030910d1991----km-y0itay50------baengAgricultural intensification and environment in tropical areasseminar, Brussels 5-6 June 1990proceedingsedited by R. Dellere, J.-J. SymoensWageningenCTA1991202 p.24 cmAgricoltura tropicale634.6Dellere,RobertSymoens,J. J.ITUNINARICAUNIMARCBK99000175936040332160 630 DELR 1991 BIS3777FAGBC60 630 DELR 19913499FAGBCFAGBCAgricultural intensification and environment in tropical areas362977UNINA