Citations
Hansen's lunar tables, 1857, GBR/0180/RGO 6/91. Cambridge University Library. |
|
Hansen's lunar tables, 1857, GBR/0180/RGO 6/91. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98281 Accessed April 05, 2025. |