000			00514nam a22001457a 4500
008			230504b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a691.7.003 _bJ7
245			_aEconomy of iron and steel in building construction: _bReport of the Committee Constituted by the National Building Oganisattion
260			_bNational Building Organisation, _c1957
300			_a59p.
650			_aBuilding materials.
653			_aEconomy
942			_2udc _cREF
999			_c27382 _d27382