Proceedings 

 - St. Joseph :  American Society of Agricultural Engineers,  1970 
 - 80 p. 
 - ASAE publication PROC-170 .
 - ASAE publication PROC-170 .
<br/><br/><label>LCCN: </label>41547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enseñanza forestal.<br/>Ingeniería forestal.
<br/><br/><label>Dewey Class. No.: </label>634.93  / F6 1969