Chitty, T.B. Nicholson, D. Malhotra, H.L.
Tests on roof constructions subjected to external fire - 2d ed. - London HMSO 1970 - 26 p. - Fire Note No.4 .
Tests on roof constructions subjected to external fire - 2d ed. - London HMSO 1970 - 26 p. - Fire Note No.4 .