Citations
Pfeffer 'Die periodische Bewegungen': 7, 123 etc, GBR/0012/MS DAR 209.7: 154r. Cambridge University Library. |
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Pfeffer 'Die periodische Bewegungen': 7, 123 etc, GBR/0012/MS DAR 209.7: 154r. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/digital_objects/37633 Accessed October 11, 2024. |