A brief outline of the system by which CAB abstracts journals and other related services are produced 

 - Slough, England :  CAB,  1977 
 - 20 p. 
<br/><br/> D19-109 
<br/><br/><label>LCCN: </label>70076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Sistemas de información.