http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
soft, fractured and weathered rock : proceedings of the International Symposium on Weak Rock, Tokyo, 21-24 September, 1981
International Symposium on Weak Rock (1981 : Tokyo, Japan)
edited by Koichi Akai, Masao Hayashi, Yuichi Nishimatsu.