00558nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067100002400076245008900100260004200189300001000231440001800241650003600259700002200295700002100317710002600338Para_6455CHAP220125s1999    xx            000 0 und d  a205195  cCHAP  aKnowlton, George F.  aVegetable insect contrl /c by Geroge F. Knowlton, Donald w. Davis y Reed S. Roberts  aLogan, Utah :b Utah State University  a32 p.  aCircular; 300  aControl biológico de insectos  aDavis, Donald W.   aRoberts, Reed S.  aUtah State University