00523nam a2200193Ia 4500008004100000020001500041082001800056100002100074245004700095250000600142260003700148300000800185650004100193650003400234653001200268653001200280653001700292700002000309170901s1994    xx            000 0 und d  a0412023415  a632.752bD35P  aDenno, Robert F. 0aPlanthoppersbTheir Ecology and Management  a1  aNew YorkbChapman and Hallc1994  a799  aAgriculture and related technologies  aTechnology (Applied sciences)  aControl  aEcology  aPlanthoppers  aPerfect T. John