Gyokyō kaikyō yohō jigyō kekka hōkokusho
Subtitle: Shōwa 56-nendo
Series: Gyokyō kaikyō yohō jigyō hōkoku -- no. 18; Chibaken Suisan Shikenjō gyōseki -- 3
Publisher: Chiba-ken Suisan Shikenjō
Published: 1983
Place of publication: [Chikura-machi]
Language: jpn
Number of pages: 55
Notes: Cover title.