TY  - BOOK
AU  - HELFRICK ALBERT D
AU  - COOPER WILLIAM D
TI  - MODERN ELECTRONIC INSTRUMENTATION AND MEASUREMENT TECHNIQUES
SN  - 81-203-0752-6
U1  - 621.308 2 HEL 
CY  - NEW DELHI
KW  - INSTRUMENTATION
KW  - INST
ER  -