Tractors for logging.   

 - Rome :   Food and Agriculture Organisation of the United Nations,   1956. 
 - 189 p. :    illus. ;    23 cm. 
 - FAO forestryu development paper ;   no. 1. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tractors.--------<br/>Lumbering.--------