Mulcahy, Michael E.  1941- <br/><br/>
Programmable logic controllers 
Frank D. Petruzella. 
 - Boston, Mass.  CBI Pub. Co.  c1980. 
 - x, 358 p.  ill.  24 cm 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0843616008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BASIC (Computer program language)