00321naa a2200109 a 450000100080000000500110000800800410001910000170006024500560007726000090013377300690014218334262010-01-10       1961    bl ---       0--  u    #d1 aPIMENTEL, D.  aNatural control of aphid populations on cole crops.  c1961  tJournal of Economic Entomology, Genevagv. 54, p. 885-888, 1961.