Parr, E. A. <br/><br/>
Programmable controllers :   an engineer's guide / 
E. A. Parr 
 - 3rd ed. 
 - Oxford, UK:   Newnes,   2003 
 - xii, 429 p.:   ill.;   24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>075065757X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers