TY  - BOOK
AU  - WITTENMARK, B , ASTROM, K.J
TI  - COMPUTER CONTROLLED SYSTEM , THEORY AND DESIGN
SN  - 0-13-164302-(
U1  - 629.895 AST'C 
PY  - 1984///
CY  - LONDON
PB  - PRENTICE HALL
ER  -