00469nam a2200157 a 450000500170000008200170001710000330003424500500006726000400011730000250015769000220018296400160020499700120022099900170023295200620024920251203092346.0 a577.272bENV aChhatwal, G.R [et...al] ed., aEnvironmental noise pollution and Its control aNew DelhibAnmol Publicationsc1989 aiv, 301p.c22cm.bHB aPollution control bcdefg_ a62143 W c73411d73411 02104070aPUbPUd2001-08-03l0o577.272 ENVp62143yBK