TY  - BOOK
T1  - Programmable logic controllers principles and applications
A1  - Webb, John W.
A2  - Webb, John W.
LA  - English
PP  - New York
PB  - Merrill
YR  - 1992
ED  - 2nd ed.
UL  - https://tuklas.up.edu.ph/Record/UP-99796217602532163
OP  - 378
CN  - TJ 223 P76 W43 1992
KW  - Programmable controllers.
ER  -