00884nam0-22003011i-450-99000205267040332120021010000205267FED01000205267(Aleph)000205267FED0100020526720021010d--------km-y0itay50------baitaBeneficial InsectsNatures alternatives to chemical insecticidesanimal predation, parasitism, diseaseorganismsLester A. SwanNew YorkHarper & Row1974429 p.22 cmLotta Biologica e IntegrataEntomofagi632Swan,Lester A.87524ITUNINARICAUNIMARCBK99000205267040332161 VII B.5/202265 (07/06/1966)DAGENDAGENBeneficial Insects406094UNINAING01