01057nam--2200385---450-99000118650020331620031107095810.00-387-96944-6000118650USA01000118650(ALEPH)000118650USA0100011865020031007d19891994km-y0itay0103----baengUS||||||||001yyIvermectin and abamectinWilliam C. Campbell editorNew York [etc.]Springercopir. 1989XVIII, 363 p.24 cm20012001001-------2001Antiparassitari636.089CAMPBELL,William C.ITsalbcISBD990001186500203316638.089 IVE1599 FARM638BKFARSIAV11020031007USA011340SIAV11020031107USA010958PATRY9020040406USA011725Ivermectin and abamectin365552UNISA