1
出版: 1977
出版商: 地質調査所 / Chishitsu-Chōsasho
Superior document: Chiiki chishitsu kenkyū hōkōku : Okayama (12) 40
2
3
4
出版: 1987
出版商: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 91
5
出版: 1987
Superior document: Yoriiso chiiki no chishitsu [Textbd.]
6
出版: 1987
Superior document: Yoriiso chiiki no chishitsu [Karte]