00315nam a2200085Ia 4500100002000000245007500020260000900095520010600104583001900210  aALVAREZ, Nelson  aMatter of survival : how agricultural bio-diversity can be maintained.  c1995  aPresents a critical analysis of the role of farmers and bio-technology when preserving bio-diversity.  c3/7/00kM2LMGR