Proceedings of the Joint Canada-United States Workshop on Mountain Pine Beetle Related Problems / 
proceedings editor : D.M. Shrimpton. 
 - Victoria, B.C. :  Environment Canada, Canadian Forestry Service,  1982 
 - 87p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Beetles--North America.<br/>Pine--Diseases and pests.--North America