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North Korea | |
| Takubo, J. and Saito, M. (1969) Allanite in Korea. (in: Geology and Mineral Resources of the Far East, vol. 2 University of Tokyo Press) |
| Takubo, J. and Saito, M. (1969) Allanite in Korea. (in: Geology and Mineral Resources of the Far East, V. 2) |
| Takeo Kato: "Two Types of Nickeliferous Pyrrhotite Deposits Found in Korea." (9 pp) |
| Takubo, J. (1941) Journal of the Chemical Society of Japan, 62, 8. |
| Takubo, J. and Saito, M. (1969) Allanite in Korea. (in: Geology and Mineral Resources of the Far East, vol. 2 University of Tokyo Press) |
| Field collected around the time of WW2 by Otokichi Nagashima (after whom nagashimalite was named). |
| Takubo, J. and Saito, M. (1969) Allanite in Korea. (in: Geology and Mineral Resources of the Far East, vol. 2 University of Tokyo Press) |
| Takubo, J. and Saito, M. (1969) Allanite in Korea. (in: Geology and Mineral Resources of the Far East, vol. 2 University of Tokyo Press) |
Tatsurido, Kakunan-myon, Kimchaek city, North Hamgyong Province, North Korea