Vezina, Paul E. <br/><br/>
Objetive measures of thinning grades and methos 

<br/><br/> Sobretiro de: The Forestry Chronicle. 39(3): 290-300, 1963 
<br/><br/><label>LCCN: </label>49232 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aclareos.