00508nam a2200169Ia 4500008004100000020001500041082001600056100002000072245007000092250000600162260004700168300000800215650004100223650003400264653002300298653001700321170901s1976    xx            000 0 und d  a0521209102  a632.7bD32S  aDelucchi, V. L. 0aStudies in Biological controlbInternational Biological Programme  a1  aNew YorkbCambridge University Pressc1976  a304  aAgriculture and related technologies  aTechnology (Applied sciences)  aBiological control  aInsect pests