00558nam a2200169Ia 4500003000900000008004100009040001600050080002300066110003300089245011600122260005000238300000900288500001900297650003300316650001800349650002100367IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:699.844bISI  aIndian Standards Institution 0aIndian standard code of practice for sound insulation of non industrial buildingscIndian Standards Institution  aNew DelhibIndian Standards Institutionc1962  a25p.  aIS 1950 : 1962  a Sound Insulation-Standards  a Standards   aNASA Thesaurus