Citations
Copy of a letter to Chu Kho-Chen [竺可楨 / Zhu Kezhen/ Coching Chu] about a proposal by J. C. Belshé to study secular variations of the earth's magnetic field in China, and related documents, 1957-04-08 - 1957-04-30, GBR/1928/NRI/SCC2/95/3/13. Needham Research Institute. |
|
Copy of a letter to Chu Kho-Chen [竺可楨 / Zhu Kezhen/ Coching Chu] about a proposal by J. C. Belshé to study secular variations of the earth's magnetic field in China, and related documents, 1957-04-08 - 1957-04-30, GBR/1928/NRI/SCC2/95/3/13. Needham Research Institute. https://archivesearch.lib.cam.ac.uk/repositories/21/archival_objects/344960 Accessed July 01, 2024. |