Sigan kwa konggan
Subtitle: chonjae ŭi kŭnʼgŏ
By: Han Sang-nyŏn chŏ.
Publisher: Taewan Tosŏ Chʻulpʻansa
Published: 1988
Place of publication: Sŏul
Language: kor
Number of pages: 240
Subjects: Space and time
Notes: Includes bibliographical references.