Yokoyama, I., Yamashita, H., Watanabe, H., and Okada, H., 1981, Geophysical characteristics of dacite volcanism - the 1977-1978 eruption of Usu volcano: Journal of Volcanology and Geothermal Research, v. 9, p. 335-358.
Citation Updated: 2007-07-11 18:17:49