Carslaw, H.S., and Jaeger, J.C., Conduction of Heat in Solids, 2nd Edition, Oxford1959.
2.
Traeger, R.K., Rigid Polyurethane Foams II. Thermal and Electrical Properties, Sandia Corporation, SC-DR-65-429 (November 1965).
3.
Levy, M.M., "Moisture Vapor Transmission and Its Effect on Thermal Efficiency of Foam Plastics," 21st ANTEC, Vol. II, Society of Plastic Engineers, Inc., Boston, Mass. (March 1, 1965).
4.
Vershoor, J.E. , and Greebels, P., TransASME, 74, 961 (1952).
