TY  - BOOK
AU  - Helfrick, Albert D.;
TI  - Modern Electronic instrumentation and Measurement Techniques
SN  - 8120307526
U1  - 621.38154 HEL 
PY  - 1990///
CY  - New.Jersey.
PB  -  : Prentice Hall, 
KW  - Engineering
KW  -  Applied physics
KW  - Electric measurements
KW  - Electronic instruments
KW  - Instrumentacao Eletrica E Aplicacoes Especiais
KW  - Albert D Helfrick; William David Cooper
KW  - and Modern electronic instrumentation and measurement techniques
ER  -