TY  - BOOK
AU  - HELFRICK. ALBERT D.
AU  - COOPER, WILLIAM D.
TI  - MODERN ELECTORNIC INSTRUMENTATION AND MEASUREMENT TECHNIQUES
SN  - 8120307526
U1  - 621.37/HEL/COO 
PY  - 2004///
CY  - NEW DELHI.
PB  - PRENTICE HALL OF INDIA PVT. LTD., NEW DELHI.
ER  -