TY  - BOOK
AU  - Helfrick, A. D.
AU  -  Cooper, W. D.
TI  - Modern Electronic Instrumentation And Measurement Techniques
SN  - 978-81-203-0752-0
U1  - 621.381 
PY  - 2009///
CY  - New Delhi
PB  - PHI Learning
ER  -