TY  - BOOK
AU  - Helfrick, Albert D.
AU  - Cooper, William D.
TI  - Modern electronic instrumentation and measurement techniques
SN  - 9788129707314
U1  - SC/ST D65e:b6 N0H;1 
PY  - 1990///
CY  - Delhi
PB  - Pearson Education
KW  - Electronic instrumentation
ER  -