TY  - GEN
AU  - Helfrick, Albert D.; Cooper, William David
TI  - Modern Electronic Instrumentation and Measurement Techniques
T2  - 25105
SN  - 81-203-0752-6
U1  - 621.38154 HEL 
PY  - 2004///
CY  - New Delhi
PB  - PHI
KW  - MEIMT
ER  -