00460naa a2200157 a 450000100080000000500110000800800410001910000180006024500510007826000090012965000240013865300240016270000220018670000190020877300750022718275482010-05-27       1951    bl ---       0--  u    #d1 aRIPPER, W. E.  aSelective insecticides and biological control.  c1951  aControle Biológico  aInseticida seletivo1 aGREENSLADE, R. M.1 aHARTLEY, G. S.  tJournal of Economic Entomology, Genevagv. 44, n. 4, p. 448-459, 1951.