Lawson, R.M. Fire resistance of ribbed concrete floors: Part 1, Wattle and trough slabs: Part 2, Composite deck slabs / R.M.Lawson - London: Construction Industry Research and Information Association, 1985 - 44p.: ill - CIRIA report; 107 . ISBN: 086017249X Subjects--Topical Terms: Flooring , concreteFire resistant materials