TY  - BOOK
AU  - Helfrick, Albert D.
AU  - Helfrick, Albert D.Cooper, William D.
TI  - Modern electronic instrumentation and measurement techniques
SN  - 9788120307520
AV  - 681.2 HEL 1990 
U1  - 681.2 HEL 1990 
PY  - 1990///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Instrumentation and Control
ER  -