Citations
Peking Observatory: Jesuit instruments etc., 1946 - 1984, GBR/1928/NRI/SCC2/73/4. Needham Research Institute. |
|
Peking Observatory: Jesuit instruments etc., 1946 - 1984, GBR/1928/NRI/SCC2/73/4. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/334051 Accessed November 29, 2024. |