PV9 ボーリング試料による日光戦場ヶ原形成過程の一考察
Constraints on development of the Senjogahara plain, Nikko, from drilling sample of Ryuzu pumice flow deposit

Mitsuei Hirayama, Yoichi Nakamura
1994 Programme and Abstracts the Volocanological Society of Japan  
doi:10.18940/vsj.1994.2.0_197 fatcat:jvn32z4lrfenjk6jfhi5ahdapi