1. Factors governing heat transfer through closed cell foam insulation;Glicksman,1987
2. Foam insulation aging : historical perspective and outstanding problems;Zwolinski,1990
3. Aging of polyurethane foams;Ostrogorsky;Int. J. Heat Mass Transfer,1986
4. Light Scattering by Small Particles;van de Hulst,1957
5. IR-Reflexionsmessungen zur Bestimmung von optischen Konstanten und Schichtdicken;Parr,1988