Parker, W. J.; Paabo, M.; Scott, J. T.; Gross, D.; Benjamin, I. A.
view article (9.992496)
Fire Endurance of Gypsum Board Walls and Chases Containing Plastic and Metallic Drain, Waste and Vent Plumbing Systems.
National Bureau of Standards, Gaithersburg, MD
Department of Housing and Urban Development, Washington, DC,
NBS BSS 072,
September 1975,
114 p.