TY  - BOOK
AU  - Nakra , B.C .
AU  - Chaudhry ,K.K  .
TI  - Instrumentation measurement and analysis / 
SN  - 0-07-048296-9
U1  - 621.374 
PY  - 2005///
CY  - New Delhi : 
PB  - Tata Mc-Graw Hill Publishing Company , 
ER  -