TY  - BOOK
AU  - Helfrick,Albert D.
TI  - Modern electronic instrumentation and measurement techniques
U1  - 621.381 
PY  - 1990///
CY  - New Delhi
PB  - PHI Learning Pvt. Ltd.
KW  - Electric measurements
KW  - Electronic measurements
N1  - Includes bibliographical references and index
ER  -