TY  - BOOK
AU  - Helfrick, Albert D. 
TI  - Modern electronic instrumentation and measurment techniques
SN  - 9788120307520
U1  - 621.38154 21
PY  - 1990///
CY  - New Delhi.
PB  - PHI Learning
KW  - Enginring electronics
N1  - Includes Indexes.
ER  -