21-segi hanggong ujugun ŭroŭi toyak
By: Kim Sang-bŏm.
Publisher: Hanʼguk Kukpang Yŏnʼguwŏn
Published: 2003
Place of publication: Sŏul
Language: kor
Number of pages: 274
Subjects: Aeronautics, Military -- History; Airplanes, Military
Notes: Includes bibliographical references.