TY  - BOOK
AU  - HELFRICK A. D. AND COOPER W. D.
TI  - MODERN ELECTRONIC INSTRUMENTATION AND MEASURMENT TECH.
U1  - 681.2 
PB  - PRENTICE HALL OF INDIA, NEW DELHI
KW  - ELECTRONIC MEASUREMENT SYSTEMS (B.E.II)
N1  - 6910
ER  -