Fogal, W.H. <br/><br/>
Seed counts and cone insect foraging damage in relation to cone-collection date and stand type in white spruce 
/by W.H. fogal 
<br/><br/> Sobretiro de: IUFRO Cone and Seed Insects Working Party Conference (3 : 1988 : Victoria Canada) pp. 161-166 
<br/><br/><label>LCCN: </label>81973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Picea glauca.<br/>Semillas forestales.<br/>Semillas--Plagas.