40A. 噴出物の特性と噴火の物理機構 : 1988~1989年十勝岳噴火(日本火山学会1989年秋季大会)
40A. Characteristics of Ejectas and Its Relation to Eruption Mechanism. : The 1988-1989 Eruptions of Tokachi Volcano(Abstracts of Papers Presented at the Fall Meeting of the Society)

M. Yoshida, N. Miyaji, Y. Nishimura, H. Okada
1989 Bulletin of the Volcanological Society of Japan  
doi:10.18940/kazanc.34.4_339_1 fatcat:2xno4whxsjb6deox3hg4aeftce