1
Publicat: 1971
Superior document: Kawashiri chiiki no chishitsu [Textbd.]
2
Publicat: 1971
Editor: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 41
3
Publicat: 1971
Superior document: Kawashiri chiiki no chishitsu [Karte]