Kyosu saenghwal 50-yŏn
Subtitle: Unam Pak Tong-gil Paksa chŏn
By: Unam Chirirhaksang Unyŏng Wiwŏnhoe pʻyŏn
Contributors: Unam Chirihaksang Unyŏng Wiwŏnhoe
Edition: Chʻopʻan
Publisher: Chŏngusa
Published: 1981
Place of publication: Sŏul-si
Language: kor
Number of pages: 253
Subjects: College teachers; Geologists; Biography
Other titles: Kyosu saenghwal osimnyŏn.