Boyd, J. H. <br/><br/>
A method of comparing logging system and machine concepts 

 - Canada :  Forest Engineering Research Institute of Canada,  1977 
 - 11 p.  : ilus. 
 - Special report  ; 2 .
 - Special report  ; 2 .
<br/><br/><label>LCCN: </label>22709 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Madera aserrada.