Walstad, John D. <br/><br/>
Forest vegetation management for conifer production 

 - New York :  Wiley,  1987 
 - 523 p.  : ilus 
<br/><br/> 53-257 
<br/><br/><label>LCCN: </label>4414 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Árboles--Malas hierbas--Control.<br/>Coníferas.<br/>Pináceas--Canadá.<br/>Pináceas--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>634.975  / W3