四次防 の 意図 と 背景
By: Kubo Takuya
Contributors: Getsuyōkai
Series: Getsuyōkai repōto -- 599
Publisher: Kokumin Seiji Kenkyūkai
Published: 1972
Place of publication: Tōkyō
Language: jpn
Number of pages: 48
Subjects: Defenses; History; Military History; Military relations
Other titles: Yojibō no ito to haikei; 4-jibō no ito to haikei
Notes: Cover title.

"Shōwa 47-nen 9-gatsu 11-nichi kaisai."