00582nam a2200157Ia 4500003000900000008004100009040001600050080002200066110003100088245017600119260004800295300000800343650002700351650002000378650002600398IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a69.01:624bIND-28  aBureau of Indian Standards 0aIndian standard: method of measurement of building and civil engineering worksbpt. 28, sound insulation workcBureau of Indian Standards                                    aNew DelhibBureau of Indian Standardsc1992  a1p.  acivil engineering work  aIndian standard  asound insulation work