CAB thesaurus. 

 - 1990 ed. 
 - Farnham Royal, Slough, England :  Commonwealth Agricultural Bureaux,  c1990. 
 - 2 v. ;  30 cm. 
<br/><br/><label>ISBN: </label>0851986870 0851986854 (v. 1) 0851986862 (v. 2 pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings--Agriculture.<br/>Information storage and retrieval systems--Agriculture.
<br/><br/><label>LC Class. No.: </label>Z695.1.A4  / C32 1990