TY  - BOOK
AU  - Bolton,W.
TI  - Programmable logic controllers: an introduction 
SN  - 0750659866
AV  - TJ223 .P76 B647P 2003
PY  - 2003///
CY  - Oxford
PB  - Newnes
KW  - LOGIC CIRCUITS
KW  - PROGRAMMABLE LOGIC DEVICES
KW  - PROGRAMMABLE CONTROLLERS
KW  - PROBLEMS, EXERCISES, ETC
N1  - Includes index
ER  -