Safranyik, L.,  1938- <br/><br/>
A conceptual model of spruce beetle population dynamics / 
by L. Safranyik, C. Simmons and H.J. Barclay. 
 - Victoria, British Columbia :  Forestry Canada, Pacific and Yukon Region, Pacific Forestry Centre,  1990. 
 - v, 13 p. :  ill. 
 - Information report / Pacific Forestry Centre,  BC-X-316  0830-0453 ; .
 - Information report (Pacific Forestry Centre) ;  BC-X-316 .
<br/><br/> Includes abstract in French. 
<br/><br/><label>ISBN: </label>0662174615 
<br/><br/><label>LCCN: </label>91036145