00606nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082002100076100001700097245006900114260004800183300001000231440003700241500010000278650002000378700001400398Para_2193CHAP220125s1940    xx            000 0 und d  a200615  cCHAP  aPA-C 634 N4 1933  aGraham, S.A.  aThe spruce budworm in Minnesota  /c by S.A. Graham and L.W. Orr  aMinnesota, USA  :b University of Minnesota  a27 p.  aMinnesota technical bulletin; 42  aEncuadernado con: Orchard insects of the pacific northwest and their control / by E.J. Newcomer  aAbeto x plagas  aOrr, L.W.