Welded pyroclastic structures of so-called Haneyama Lavas in central Kyusyu
(Programme and abstracts the Volcanological Society of Japan 1993)
46B. Structures and textures as welded pyroclastic rock of the "Haneyama Lavas" in Kyushu(Abstracts of Papers Presented at the Fall Meeting of the Society)
(Bulletin of the Volcanological Society of Japan. Second series 1985)