TY  - BOOK
AU  - Clements-Jewery Keith 
AU  - Jeffcoat, W.
TI  - The PLC workbook : programmable logic controllers made easy 
SN  - 0134898400
U1  - 629.89 CLE 1996 
PY  - 1996///
CY  - London
PB  - Prentice Hall
KW  - Programmable controllers
N1  - Includes index
ER  -