000			00592nam a22001457a 4500
008			230504b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a69.001.5 _bK2
245			_aPaper presented at the conference on the impact of research on the building industry on the impact of research on the building industry _c/ The Central Building Research Institute, Roorkee
260			_aRoorkee: _bThe Central Building Research Institute, _c1962
300			_a211p.
650			_aBuilding trade
653			_aFactory noise
942			_2udc _cREF
999			_c26949 _d26949