Shōwa 5-nen Bōkū Kenkyūkai kōenshū
Contributors: Japan. Rikugun. Tōkyō Keibi Shireibu
Publisher: Tōkyō Keibi Shireibu
Published: 1931
Place of publication: [Tokyo]
Language: jpn
Number of pages: 437
Subjects: Air defenses; Blackout in war; Air raid warning systems
Other titles: Bōkū Kenkyūkai Kōenshū.
Notes: Cover title.