Symposium on forest operations in montainous regions ; technical report 

 - (Geneva) :  Naciones Unidas,  (1973) 
 - 90 p.  : ilus. 
<br/><br/><label>LCCN: </label>30028 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Madera--Transporte.<br/>Maquinaria forestal.
<br/><br/><label>Dewey Class. No.: </label>634.982  / N3