Chʻŏndong chidongsŏl ŭi pyŏltongi
Subtitle: chichʻuk ŭn parŭda
By: An Myŏng-ho chŏ.
Publisher: Inmul Yŏnʼguso
Published: 1988
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 203
Subjects: Astronomy -- Philosophy; Earth -- Rotation
Notes: Summary in English with caption title: The earthʼs axis isnʼt aslant.