공화국 북반부의 광천 원천 Konghwaguk pukpanbu ŭi kwangch'ŏn wŏnch'ŏn

Bibliographic Details
Main Author: 김학전 Hak-ch'ŏn Kim
Format: Book
Language:Korean
Published: P'yŏngyang 과학원 Chosŏn Minjujuŭi Inmin Konghwaguk Kwahagwŏn 1957
Subjects:

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