• Chaney, R. W. (1947). Tertiary centres and migration routes. Ecol Monogr. 17, 141.
  • Chaney, R. W. (1948). The bearing of the living Metasequoia on problems of Tertiary Paleobotany. Proc. natn. Acad. Sci. U.S.A. 34, 503.
  • Chu, K. & Cooper, W. S. (1950). An ecological reconnaissance in native home of Metasequoia glyptostroboides. Ecology, 31, 260.
  • Miki, S. (1938). On the change of flora of Japan since the upper Pliocene and the floral composition at present. Jap. J. Bot., 9, 213.
  • Miki, S. (1941). On the change of flora in Eastern Asia since Tertiary Period. I. The clay or lignite beds in Japan with special reference to the Pinus trifolia beds in Central Hondo. Jap. J. Bot., 11, 237.
  • Miki, S. (1950). Taxodiaceae of Japan, with special reference to its remains. J. Inst. Polytech. Osaka Univ., 1, 63.
  • Miki, S. (1954). The occurrence of the remain of Taiwania and Paleotsuga (n.subg.) from Pliocene beds in Japan. Proc. Japan Acad., 30, 976.
  • Miki, S. (1956). Endocarp remains of Alangiaceae, Cornaceae and Nyssaceae in Japan. J. Inst. Polytech. Osaka Cy Univ., 7, 247.
  • Sakai, A. (1955). The relationship between the process of development and the frost hardiness of the mulberry tree. Low Temp. Sci., B, 13, 2131.
  • Sakai, A. (1960). Survival of the twig of woody plants at – 196°C. Nature, 185, 393.
  • Sakai, A. (1965). Survival of plant tissue at super-low temperatures. III. Relation between effective prefreezing temperatures and the degree of frost hardiness. Pl. Physiol., Lancaster, 40, 882.
  • Sakai, A. (1966). Studies of frost hardiness in woody plants. II. Effect of temperature on hardening. Pl. Physiol., Lancaster, 41, 353.
  • Sakai, A. (1968a). Frost damage on basal stems in young trees. Contr. Inst. low Temp. Sci. Hokkaido Univ., B, 15, 1.
  • Sakai, A. (1968b). Mechanism of desiccation damage of forest trees in winter. Contr. Inst. low Temp. Sci. Hokkaido Univ., B, 15, 15.
  • Sakai, A. (1970a). Freezing resistance in willow from different climates. Ecology, 51, 485.
  • Sakai, A. (1970b). Mechanism of desiccation damage of conifers wintering in soil-frozen areas. Ecology, 51, 657.
  • Suzuki, K. (1961). The important characteristic Miocene and Pliocene species of plants from the southern part of the Tohoku district, Japan. Sci. Rep. Fac. Arts. Sci. Fukushima Univ., 10, 1.
  • Tanai, T. & Huzioka, K. (1967). Climatic implications of Tertiary floras in Japan. In: Tertiary Correlation and Climatic Changes in the Pacific, p. 89. Tokyo .
  • Tanai, T. (1967a). Tertiary floral changes of Japan. Jubilee Publ. Commem., Prof. Sasa, 60th birthday, p. 317.
  • Tanai, T. (1967b). Miocene floras and climate in East Asia. Abh. Zentr. Geol. Inst. Berlin, 10, 195.
  • Wang, Chi-Wu (1961). The Forests of China with a Survey of Grassland and Desert Vegetation. Maria Moors Cabot Foundation Publication. Ser. B, Harvard University, Cambridge , 1.