Hokushi ni okeru ido kangai
Subtitle: dai 1-kai chūkan hōkoku
Contributors: Tōa Kenkyūjo (Tokyo, Japan)
Series: Shii Hokuni chūkan hōkoku -- dai 3-gō
Publisher: Tōa Kenkyūjo
Published: 1941
Place of publication: [Tokyo]
Language: jpn
Number of pages: 42
Notes: Report by Mizuno Kaoru and Seki Hiroshi. Cf. Preface.