1. Das Verhalten des Betons bei sehr niedrigen Temperaturen;Wischers,1970
2. Variation of mortar and concrete properties with temperature;Saemann,1957
3. Physical properties of concrete at very low temperatures;Monfore;P.C.A. Research Dept. Bulletin No. 145,1962
4. Thermal conductivity of concrete at very low temperatures;Lentz;Journal of the P.C.A. Research and Development Laboratories,1965
5. Thermal conductivities of portland cement paste, aggregate, and concrete down to very low temperatures;Lentz;Journal of the P.C.A. Research and Development Laboratories,1966