cam a22 4500 216000092 CHVBK 20201209163021.0 941004s1976 xxu|||||||||| 10 |eng d (RERO)1916640 RERO gevmhn s1zo rero Proceedings of a symposium on the spruce budworm, November 11-14, 1974, Alexander, Virginia program chairman : John F. Chansler ; techn. co-ord.: William H. Klein Washington D.C. U.S. Department of Agriculture 1976 VII, 188 p. ill., fig., portr., tabl., cartes 26 cm txt rdacontent n rdamedia nc rdacarrier Miscellaneous publication / United States Department of Agriculture, Forest Service no. 1327 contrôle biologique (RERO)A010068521 rerovoc Tortricidae (Lepidoptera) Taxonomie (RERO)A027247682 rero Conifères (RERO)A021004498 rero Amérique du nord (RERO)A010042354 rero Actes de congrès (RERO)A021105530 rero Chansler John F. (RERO)A003094880 Symposium on the spruce budworm (1974 Alexander Va.) (RERO)A012500151 Miscellaneous publication / United States Department of Agriculture, Forest Service 1327 (RERO)001344496 BK020800 XK020000 XK020000 RERO RE61005 RE61005 RE610050010 MHN LEP 905 RERO 490 1- Miscellaneous publication / United States Department of Agriculture, Forest Service no. 1327 RERO 700 1- Chansler John F. (RERO)A003094880 RERO 711 2- Symposium on the spruce budworm (1974 Alexander Va) (RERO)A012500151 RERO 830 -- Miscellaneous publication / United States Department of Agriculture, Forest Service 1327 (RERO)001344496