An engineer's guide Parr, E. A. (Eric Andrew) creator text enk Oxford Newnes 1999 2nd ed. monographic eng xii, 357p. : ill. ; 24 cm. 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. E.A Parr. Previous ed.: 1993. Includes index. Automatic control Computer programs Process control Computer programs 629.895 9780750639354 (pbk) : StDuBDS 980720 20260805085603.0 BDZ0001257719