Chō sa kofungun
Series: Sōjashi maizō bunkazai hakkutsu chōsa hōkoku -- 5; Sōjashi maizō bunkazai hakkutsu chōsa hōkoku -- 5.
Publisher: Sōjashi Kyōiku Iinkai
Published: 1987
Place of publication: Sōja
Language: jpn
Number of pages: 39