TY  - BOOK
AU  - Webb John W.
AU  - Reis Ronald A.
TI  - Programmable logic controllers: Principles and applications
SN  - 9789332555129
U1  - 629.89 
PY  - 2015///
CY  - Noida
PB  - Pearson
N1  - ‘’It Includes bibliographical references (p.425-460 and index”



ER  -