Uchū jidai
Series: Gendai kyōyō zenshū -- 20
Publisher: Chikuma Shobō
Published: 1960
Place of publication: Tōkyō
Language: jpn
Number of pages: 431
Notes: Editor of series: Usui Yoshimi henshū kaisetsu.
Table of contents: title: <Detailed contents in vernacular field only>.