Continuous evaluation and reporting of a changing spruce budworm damage picture in Canada / by W.L. Sippell

Main Author: Sippell, W. L
Corporate Author: Great Lakes Forest Research Centre, Canada/United States Spruce Budworms Program, Canadian Forestry Service
Published: Quebec : Environment Canada Distribution Centre, [1983], c1984.
Subjects:
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082 0 |a 634.9/7526781  |2 19 
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092 |a Can Fo39-2/2-1984 
099 |a 1470224 
100 1 |a Sippell, W. L 
245 1 0 |a Continuous evaluation and reporting of a changing spruce budworm damage picture in Canada /  |c by W.L. Sippell 
260 |a Quebec :  |b Environment Canada Distribution Centre,  |c [1983], c1984. 
300 |a viii, 31 p. :  |b col. ill. ;  |c 23 cm 
500 |a Includes abstracts in French and English. 
500 |a "CANUSA" Canada United States Spruce Budworms Program--Cover 
500 |a Sponsored by: Great Lakes Forest Research Centre; Spruce Budworm Implementation Plan, Activity A, Working Group A4/A5; Canadian Forestry Service, Environment Canada. 
504 |a Bibliography: p. 29-31 
650 0 |a Spruce budworm  |z Canada 
650 0 |a Spruce  |x Diseases and pests  |z Canada 
710 2 |a Great Lakes Forest Research Centre 
710 2 |a Canada/United States Spruce Budworms Program 
710 2 |a Canadian Forestry Service 
907 |a .b23672043 
999 |a 634.9678 S74  |w XDEWEY  |c 1  |i 1470224-1001  |l XHAMON  |m XDNR  |r Y  |s Y  |t XCIRC  |u 21/12/2017