TY  - BOOK
AU  - Parr,E.A.
TI  - Programmable Controllers: An engineer's guide 
SN  - 9780750639354 (pbk) :
U1  - 629.895 21
PY  - 1999///
CY  - Oxford
PB  - Newnes
KW  - Automatic control
KW  - Computer programs
KW  - Process control
N1  - Previous ed.: 1993; Includes index
N2  - Aimed at users of PLCs or Programmable Electronic Systems, this book explains the theoretical knowledge needed for modern process control applications and gives practical help with the economic, maintenance and safety aspects
ER  -