Citations
Letter from Chhen Kuo-Fu [陳國符 / Chen Guofu] of the Department of Organic Chemical Technology, Tsientsin University, China, about the differences between Nei Tan [内丹/ Nei Dan] and Wai Tan [外丹 / Wai Dan] and other matters, and related documents, 1959-05-02 - 1959-05-25, GBR/1928/NRI/SCC2/229/33. Needham Research Institute. |
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Letter from Chhen Kuo-Fu [陳國符 / Chen Guofu] of the Department of Organic Chemical Technology, Tsientsin University, China, about the differences between Nei Tan [内丹/ Nei Dan] and Wai Tan [外丹 / Wai Dan] and other matters, and related documents, 1959-05-02 - 1959-05-25, GBR/1928/NRI/SCC2/229/33. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/335927 Accessed November 30, 2024. |