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Recent advances in spruce budworms research : proceedings of the CANUSA Spruce Budworms Research Symposium, Bangor, Maine, September 16-20, 1984 / editors, C.J. Sanders ... [et al.] ; sponsored by Canadian Forestry Service [and] United States Department of Agriculture, Forest Service ; in cooperation with Entomological Society of America ... [et al.].

Recent advances in spruce budworms research : proceedings of the CANUSA Spruce Budworms Research Symposium, Bangor, Maine, September 16-20, 1984 / editors, C.J. Sanders ... [et al.] ; sponsored by Canadian Forestry Service [and] United States Department of Agriculture, Forest Service ; in cooperation with Entomological Society of America ... [et al.].
Paper図書
CANUSA1985.<M15-A7119>
National Diet Library
  • Subject Heading...-- Congresses. Spruce budworm -- Canada -- Congresses. Western spruce......esses. Western spruce budworm -- Canada -- Congresses. Choristoneura -- United State...

Proceedings of the Damage Assessment Working Group, Canusa Spruce Budworms Program, October 25-26, 1983, Bangor, Maine / associate editors, D.P. Ostaff and M.D. Cameron, E.J. Mullins.

Proceedings of the Damage Assessment Working Group, Canusa Spruce Budworms Program, October 25-26, 1983, Bangor, Maine / associate editors, D.P. Ostaff and M.D. Cameron, E.J. Mullins.
Paper図書
Environment Canada, Canadian Forestry Servicec1984.<RB361-18>
National Diet Library
  • Subject Heading...-- Congresses. Spruce budworm -- Canada -- Congresses. Spruce -- Losses -- United St...

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