1. Revised equation and table for determining the freezing point depression of H2O-NaCl solutions;Bodnar;Geochim. Cosmochim. Acta.,1993
2. Hirai, K. , Ono, S. and Matsueda, H. (2001) Mineralization ages of some hydrothermal gold and silver deposits in the Suttsu-Oshamanbe district, southwestern Hokkaido (abstr.). 51th Ann. Meet. Soc. Resource Geol., Abstracts with Programs, P-36 (in Japanese).
3. Polymetallic mineralization at the Shin-Ohtoyo deposit, Harukayama district, Hokkaido, Japan;Imai;Resource Geol.,1999
4. A Sn-Te-Bi-Sb paragenesis in ores from the Suttsu mine, Hokkaido;Ishibashi;Jour. Fac. Sci. Hokkaido Univ. Ser. IV,1952