TY  - BOOK
AU  - Cooper, W D
AU  - Helfrics, A D.
TI  - Electronics instrumentation and measurement techniques
SN  - 0876924735
U1  - 621.38154 
PY  - 1989///
CY  - New Delhi
PB  - Prentice Hall Of India
KW  - ELECTRONICS AND COMMUNICATION
ER  -