00588cam a2200193 i 4500020001500000040000800015082002600023100002600049245003800075250001200113260004600125300003500171490004300206500005600249650002000305650001900325700002800344700002200372  a0070350957  cDLC00a634 HIL 1980 A046 Or.1 aKnight, Fred Barrows,10aPrinciples of forest entomology /  a5th ed.  aNew York :bMcGraw-Hill Book Co.,cc1980.  axiii, 461 p. :bill. ;c24 cm.0 aMcGraw-Hill series in forest resources  aFourth ed. (1965) by S. A. Graham and F. B. Knight. 0aForest insects. 0aForest insects1 aHeikkenen, Herman John,1 aGraham, Samuel A.