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2.
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3.
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4.
Chester W. Kaplar, "Moisture and Freeze-Thaw Effects on Rigid Thermal Insulations," Tech. Report249, C.R.R.E.L. (1974).
5.
Marshall M. Levy, "Moisture Vapor Transmission and Its Effect on Thermal Efficiency of Foam Plastics," J. Cellular Plastics, Vol. 2, No. 1 (1966), p. 37.
6.
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