00467    a2200121   4500020001500000082001500015245009500030260007900125300002200204440004000226650003800266650004100304  a9251027730  a630.7bSUS  aSustainable  agricultural productionbimplications for international agricultural research  aRomebFood And Agriculture Organization  Of The United Nationsc1989g1989  axxiii,131p.c21cm  aFAO research and technology paper 4  aEducation,research,related topics  aAgriculture and related technologies