Oni no iwaya kofun
Subtitle: kankyō seibi jigyō hōkokusho
Series: Nagasaki-ken Ashibe-chō bunkazai chōsa hōkokusho -- dai 4-shū
Publisher: Nagasaki-ken Ashibe-chō Kyōiku Iinkai
Published: 1990
Place of publication: Iki-gun Ashibe-chō
Language: jpn
Number of pages: 35