Parr, E. A. <br/><br/>
Programmable controllers :  an engineer's guide / 
E.A. Parr. 
 - Oxford ;  Boston :  Newnes,  1993. 
 - x, 325 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0750604980 :£25.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers.
<br/><br/><label>LC Class. No.: </label>TJ223.P76  / P37 1993