Walter J. Rossiter Jr. and Robert G. Mathey , "Effect of Insulation on the Surface Temperature of Roof Membranes," NBS TR 76-987 National Bureau of Standards (USA) February, 1976.
2.
William C. Cullen and Thomas H. Boone , "Thermal Shock Resistance for Built-Up Membrane ," National Bureau of Standards (USA) Building Science Series No. 9 (1967).
3.
Robert G. Mathey and William C. Cullen , "Preliminary Performance Criteria for Bituminous Membrane Roofing," NBS Building Science Series No. 55, National Bureau of Standards (USA) November, 1974.