000			00493nam a22001217a 4500
008			230531b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a614.84:699.81(082.2) _bL.3
245			_aFire-resistance requirements for buildings--a new approach _c/ Proceedings of the symposium held on the Connaught Rooms, London 28 September, 1971
260			_aLondon: _bHer Majestry's Stationery Office, _c1973
300			_a88p.
942			_2udc _cPR
999			_c37167 _d37167