@book{81263,
	author = {Butcher, E. G. and Building Research Establishment (BRE) and Cottle, T.H.},
	title = {Building research establishment current paper : smoke tests in the pressurized stairs and lobbies of a 26-storey office building},
	publisher = {Building Research Establishment},
	year = {[1971]},
	address = {Borehamwood : },
	note = {Reprinted from: Building Services Engineer, vol 39, December 1971, pp206-210}
}