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by Schlee, John
: U.S. department of the interior, 1970

Series: United States, Geological Survey, Professional Paper 529-H

by Greenbank, D. O.
: ENTOMOLOGICAL SOCIETY OF CANADA, 1980

Series: Memoirs of the Entomological Society of Canada No. 110.

by Stea, R. R.
Halifax, N.S. : Centre for Marine Geology, Dalhousie University, 1991.

Series: Centre for Marine Geology, Dalhousie University technical report ; no. 13

[Washington, D.C.?] : U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service, 1984.

Series: Spruce budworms handbook

[Ottawa] : Canadian Council of Forest Ministers = Conseil canadien des ministres des forêts, [2014].

by Yemshanov, Dennis.
Sault Ste. Marie : Ontario Forest Research Institute, 2002.

Series: Forest research information paper, no. 150

by Walker, N. R.
Edmonton : Northern Forest Research Centre, 1984.

Series: Information report (Northern Forest Research Centre (Canada)) ; NOR-X-259.

Fredericton, N.B. : Dept. of the Environment, Canadian Forestry Service, [1973].

Series: Maritimes Forest Research Centre. Information Report M-X, ; 39
Information report (Maritimes Forest Research Centre) ; M-X-39

Ottawa : Envirionment Canada, 1992.