00627nam a2200205Ia 4500001001000000003000500010008004100015010001100056040000900067082002100076100001700097245006900114260003100183300000700214440002800221500009900249650002500348650002700373650002100400Para_2218CHAP220125s1941    xx            000 0 und d  a200801  cCHAP  aPA-C 634 N4 1933  aWalter, E.V.  aThe biology and control of the sorghum midge  /c by E.V. Walter  aWashington, D.C.  :b USDA  a27  aTechnical bulletin; 778  aEncuadernado con: Orhard insects of the pacific northwest and their control / by E.J. Newcomer  aContarina sorghicola  aSorgo x enfermedades   aSorgo x plagas