00315nam a2200109Ia 4500008004100000082002100041100001600062245004700078260004300125650002100168700001600189220204s9999    xx            000 0 und d  a632.9:633bCRA;1  aCRAMER, H H 0aPlant protection and world crop production  aLeverkusonbFarbenfabriken Bayerc1967  aPlant protection  aJ H Edwards