Citations
The astronomical ephemeris for the year 1980, 1979, GBR/3296/Maps/CCSA.BWA_364_1, BWA_364_1. Cambridge University Library. |
|
The astronomical ephemeris for the year 1980, 1979, GBR/3296/Maps/CCSA.BWA_364_1, BWA_364_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/236139 Accessed September 20, 2024. |