Allen , Eric Andrew. <br/><br/>
Host_parasit interactions between endocronartium harknessii and pinus contorta/ 
Eric Andrew Allen . 
 - [N.P]:  [N.P],  1989. 
 - 101 p;  ill ;  30 cm. 
<br/><br/>Thesis (Ph.D ) -- Alberta university, 1989. 
<br/><br/>includes bibliogrphic  referance (101). 
<br/><br/> All age. 
<br/><br/><label>Dewey Class. No.: </label>580  / AH