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As a part of the evaluation of a housing system proposed under Operation BREAKTHROUGH, a fire endurance test was performed at the National Bureau of Standards
D M Vashchenko, Yu F Voinov, B V Voityuk, E K Dregulyas, A Ya Kolomiets, S D Labinov, A A Morozov, I A Neduzhii, V P Provotar, Yu A Soldatenko, E J Storozhenko, Yu I Khamara