International Commission of Agricultural Engineering   Committee of work Study and Labour management in Agriculture; Index /    sec.5. :  
edited by W. Hammer 
 -  Bad Kreuznach,   1971 
 - 1 v. various pagings ;    29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural research--------
<br/><br/><label>Dewey Class. No.: </label>Q 630.72 INT