Kamiokakami kofungun
Subtitle: kitaibaraki-shi sekinamichō kamiokakami
By: Sanbu Kōkogaku Kenkyūjo henshū
Series: Kitaibaraki-shi bunkazai chōsa hōkoku -- 6; Kitaibaraki-shi bunkazai chōsa hōkoku -- 6.
Publisher: Sanbu Kōkogaku Kenkyūjo
Published: 1995
Place of publication: Narita
Language: jpn
Number of pages: 48