TY - BOOK AU - Trivedi,P.R.. AU - Raj,Gurdeep TI - Noise pollution / T2 - Encyclopaedia of environmental science;22, SN - 8171582621 U1 - 363.74 PY - 1992/// CY - New Delhi : PB - Akashdeep Publishing House , KW - NOISE POLLUTION N1 - NULL ER -