TY  - GEN
AU  - Hasnain,S.K.
AU  - Farhi, Lubna.
TI  - Programmable logic controller: laboratory manual 
SN  - 0070140170 (pbk.)
AV  - TJ223.P76 C37 1998
U1  - 629.89 
PY  - 2011///
CY  - Karachi
PB  - Paramount Publishing
KW  - Programmable controllers
ER  -