Sangdaesong iron, kŭ hu 100-yŏn
Subtitle: pit ŭi sokto ro 20-segi munhwa rŭl kwantʻong hada
By: Chŏng Chae-sŭng kihoek ; Kim Che-wan oe chiŭm
Edition: 1-pʻan
Publisher: Kungni
Published: 2005
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 314
Subjects: Relativity (Physics); Space and time
Notes: Includes bibliographical references (p. 291-297) and index.