Obihiro jiyūgaoka iseki
Subtitle: obihiroshi jiyūgaoka tochi kukaku seiri jigyō ni tomonau maizō bunkazai hakkutsu chōsa hōkokushi
Series: Obihiroshi maizō bunkazai chōsa hōkoku -- 004; Obihiroshi maizō bunkazai chōsa hōkoku -- 4.
Publisher: Obihiroshi Kyōikuiinkai
Published: 1986
Place of publication: Obihiro
Language: jpn
Number of pages: 36