00460nam a2200157Ia 4500008004100000082001700041100002100058245002300079250000600102260006500108300000800173650004100181650003400222653002300256700002300279170901s1996    xx            000 0 und d  a632.96bD77B  aDriesche, G. Van 0aBiological Control  a1  aNew YorkbAn International Thosmson Publishing Companyc1996  a539  aAgriculture and related technologies  aTechnology (Applied sciences)  aBiological control  aBellows, S. Thomas