Okamotoyama kofungun hoka iseki shōsai bunpu chōsa hōkokusho
Series: Takefushi maizō bunkazai chōsa hōkoku -- 18; Takefu-shi maizō bunkazai chōsa hōkoku -- 18.
Publisher: Takefushi Kyōiku Iinkai
Published: 1996
Place of publication: Takefu
Language: jpn
Number of pages: 17