Spedding, C. R. W. <br/><br/>
An introduction to agricultural systems / 
C.R.W. Spedding. 
 - 2nd ed. 
 - London ;  New York :  Elsevier Applied Science :  Sole distributor in the USA and Canada, Elsevier Science Pub. Co.,  1988. 
 - viii, 189p. :ill.  Pbk 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1851661913 9781851661916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems.
<br/><br/><label>LC Class. No.: </label>S494.5.S95 S64 1988