1. Iwasaki, I., Katsura, T., Ozawa, T., Shimojima, H. — Read at the Geological Society of Japan (Apr. 1955).
2. Iwasaki, I., Kokubu, N., Katsura, T. — Bull. Chem. Soc. Japan,29, p. 379 (1956).
3. Iwasaki, I. — «Introduction to Geochemistry » (Tokyo), p. 206 (1953);
4. Iwasaki, I., Nitta, T., Tarutani, T. — J. Chem. Soc. Japan,74, p. 1003 (1953).
5. These results are reviewed inIwasaki, I. — «Chemistry of Volcanoes » (Tokyo), p. 8–54 (1948).