TY  - BOOK
AU  - Trivedi, P.R
AU  - Raj, Gurdeep 
TI  - Noise pollution
SN  - 8171582621
U1  - 363.74 TRI R 
PY  - 1992///
CY  - Darya Ganj, New Delhi : 
PB  - Akashdeep Publishing House, 
KW  - Noise pollution
ER  -