1. Ejecta velocity, magma chamber pressure and kinetic energy associated with the 1968 eruption of Arenal Volcano;Fudali;Bull. Volcanol.,1972
2. Geochemical study on the Sakurajima Volcano;Hirabayashi;J. Volc. Soc. Japan,1982
3. On ejection velocity and pressure of volcanic explosion reduced from photo-trajectory of volcanic bombs;Iguchi;Ann. Disast. Prev. Res. Inst. Kyoto Univ.,1983
4. Explosion earthquakes associated with the 1973 eruptions of Asama Volcano (part 2);Imai;Bull. Earthq. Res. Inst.,1980
5. Mechanics of shock waves;Ikui;Korona-sha,1983