共 8 条
[1]
DECKER RW, 1972, SURVEILLANCE PREDICT, P47
[3]
Friedman J. D., 1981, The 1980 eruptions of Mount St. Helens, Washington, P279
[4]
Lipman P. W., 1981, The 1980 eruptions of Mount St. Helens, Washington, P143
[6]
Swanson D. A., 1981, The 1980 eruptions of Mount St. Helens, Washington, P157