Sorenpō minkan hikō to sono keikaku, sonota.
Contributors: Nichi-Ro Kyōkai.
Series: Nichi-Ro Kyōkai hōkoku -- dai 41-gō
Publisher: Nichi-Ro Kyōkai
Published: 1929
Place of publication: Tōkyō
Language: jpn
Number of pages: 71
Subjects: Aeronautics, Commercial -- Soviet Union.
Notes: Cover title.