TY  - BOOK
AU  - Sonde/ B.S./ Aggarwal/ D.k. 
TI  - Transducers and display systme
U1  - 621.38 
PY  - 1981///
CY  - New Delhi
PB  - Tata Mc Graw hill
KW  - Electrical Engineering
KW  - Transducers
ER  -