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