Plant, Richard E. <br/><br/>
Knowledge-based systems in agriculture/ 
Richard E. Plant, Nicholas D. Stone 
 - Mcgraw-Hill,   New York :   1991. 
 - xiii, 364 pages.:  ill,  24cm 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0070503168 (Hbk) 9780070503168 
<br/><br/><label>LC Class. No.: </label>S494.5