TY  - BOOK
AU  - COOPER, William D.
AU  - HELFRICK, Albert D.
TI  - MODERN ELECTRONIC INSTRUMENTATION AND MEASUREMENT TECHNIQUES
SN  - 81 203 0752 6
U1  - 621.381 54 
PY  - 1994///
CY  - Kottayam
PB  - Vidyarthimithram Book Depot, Kottayam 
ER  -