TY  - BOOK
AU  - HELFRICK ALBERT D and COOPER DAVID WILLIAM
TI  - Modern Electronic Instrumentation and Measurement Techniques
SN  - 81-203-0752-6
PY  - 1990///
CY  - New Delhi
PB  - Prentice-hall of India  Pvt Ltd
KW  - Basic Electronics
ER  -