TY  - GEN
AU  - Helfrick, Albert D.
AU  - Cooper, William D.
TI  - Modern electronic instrumentation and measurement techniques
SN  - 8120307526
U1  - 621.38154 
PY  - 1990///
CY  - New Delhi
PB  - Prentic hall
KW  - COMPONENTS AND CIRCUITS
ER  -