00533nam a2200181Ia 4500008004100000020001500041082001400056100001700070245005700087260005700144300000800201650004100209650003400250653001200284653001900296700002000315700001600335170901s1991    xx            000 0 und d  a8170891353  a632bR11S  aRabbinge, R. 0aSimulation and Systems Management in Crop Protection  aDehra DunbInternational Book Distributing Co.c1991  a420  aAgriculture and related technologies  aTechnology (Applied sciences)  aControl  aPlant diseases  aVan Laar, H. H.  aWard, S. A.