1. Experimental study of frozen fringe characteristics;Akagawa;Cold Regions Science and Technology,1988
2. X-ray photography method for experimental studies of the frozen fringe characteristics of freezing soil;Akagawa,1990
3. Segregation freezing observed in welded tuff by open system frost heave test;Akagawa,1988
4. The unfrozen water and the apparent specific heat capacity of frozen soils;Anderson,1973
5. Beskow, G., 1935: Soil freezing and frost heaving with special application to roads and railroads. The Swedich Geological Society, Series C, 375(26th year book), 14–21. Translations by O.J. Osterberg, 1947. or Black, P. and Hardenberg, M.J., 1991: Historical perspectives in frost heave research: The early works of S. Taber and G. Beskow. U.S.A. Cold Regions Research and Engineering Laboratory, CRREL Special Report 91-23.