Tilman Sauer (2007). “Nova Geminorum 1912 and the Origin of the Idea of Gravitational Lensing”. 《Archive for History of Exact Sciences》 62 (1): 1–22. arXiv:0704.0963. doi:10.1007/s00407-007-0008-4.
doi.org
dx.doi.org
Tilman Sauer (2007). “Nova Geminorum 1912 and the Origin of the Idea of Gravitational Lensing”. 《Archive for History of Exact Sciences》 62 (1): 1–22. arXiv:0704.0963. doi:10.1007/s00407-007-0008-4.