00897nam0-22003131i-450-99000205288040332120021010000205288FED01000205288(Aleph)000205288FED0100020528820021010d--------km-y0itay50------baita<<The >>biological control of insectswith a chapter on weed controlHarvey L. SweetmanLondonConstable and Company1936461 p.23 cmLotta Biologica e IntegrataControllo BiologicoLotta Biologica632.96Sweetman,Harvey L.87537ITUNINARICAUNIMARCBK99000205288040332161 VII B.5/391894DAGENDAGENBiological control of insects406060UNINAING01