TY  - BOOK
AU  - Parr,E.A.
TI  - Programmable controllers: an engineer's guide 
SN  - 0750604980 :£25.00
AV  - TJ223.P76 P37 1993
PY  - 1993///
CY  - Oxford, Boston
PB  - Newnes
KW  - Programmable controllers
N1  - Includes index
ER  -