Proceedings 

 - Seattle :  University of Washington,  1960 
 - 3 v.  : ilus. 
<br/><br/><label>LCCN: </label>60651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bosques--Congresos.
<br/><br/><label>Dewey Class. No.: </label>634.9063  / C66 1960