Mandade, Enrique <br/><br/>
Programmable logic devices and logic controllers / 
Enrique Mandade, Jorge Marcos, Serefin A. Perez. 
 - London :  Prentice-Hall,  c1996. 
 - xii, 373 p.: ill. 
<br/><br/> Includes bibliographical references, appendices and index. 
<br/><br/> translation of: Controladores logicos y automatas programables 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable logic  devices<br/>Programmable controllers