Environmental guidelines for agricultural mechanization /  
edited by Henry E. Russell and Associates. 
 - Nairobi :    United Nations Environment Programme,    1986. 
 - 17  p. ;    21 cm. 
<br/><br/>Includes bibliographic references: (p. 17) 
<br/><br/><label>ISBN: </label>9280711164 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Farm mechanization.