TY  - BOOK
AU  - Helfrick, Albert D
AU  - Cooper, William D
TI  - Modern electronic instrumentation and measurement techniques
SN  - 9788120307520
U1  - 621.38 
PY  - 1990///
CY  - New delhi
PB  - PHI 
KW  - ELECTRONICS
KW  - FIBER OPTICS MEASUREMENTS
ER  -