R. Srianand, H. Chand, P. Petitjean and B. Aracil (2004). “Limits on the time variation of the electromagnetic ne-structure constant in the low energy limit from absorption lines in the spectra of distant quasars”. 《Phys. Rev. Lett.》 92 (12): 121302. arXiv:astro-ph/0402177. Bibcode:2004PhRvL..92l1302S. doi:10.1103/PhysRevLett.92.121302. PMID15089663. CS1 관리 - 여러 이름 (링크)
Petrov, Yu. V.; Nazarov, A. I.; Onegin, M. S.; Sakhnovsky, E. G. (2006). “Natural nuclear reactor at Oklo and variation of fundamental constants: Computation of neutronics of a fresh core”. 《Physical Review C》 74 (6): 064610. arXiv:hep-ph/0506186. Bibcode:2006PhRvC..74f4610P. doi:10.1103/PHYSREVC.74.064610.
Misner, Charles W.; Thorne, Kip S.; Wheeler, John Archibald (2017년 10월 3일). 《Gravitation》 (영어). Princeton University Press. 297쪽. ISBN978-1-4008-8909-9.
R. Srianand, H. Chand, P. Petitjean and B. Aracil (2004). “Limits on the time variation of the electromagnetic ne-structure constant in the low energy limit from absorption lines in the spectra of distant quasars”. 《Phys. Rev. Lett.》 92 (12): 121302. arXiv:astro-ph/0402177. Bibcode:2004PhRvL..92l1302S. doi:10.1103/PhysRevLett.92.121302. PMID15089663. CS1 관리 - 여러 이름 (링크)
Petrov, Yu. V.; Nazarov, A. I.; Onegin, M. S.; Sakhnovsky, E. G. (2006). “Natural nuclear reactor at Oklo and variation of fundamental constants: Computation of neutronics of a fresh core”. 《Physical Review C》 74 (6): 064610. arXiv:hep-ph/0506186. Bibcode:2006PhRvC..74f4610P. doi:10.1103/PHYSREVC.74.064610.
R. Srianand, H. Chand, P. Petitjean and B. Aracil (2004). “Limits on the time variation of the electromagnetic ne-structure constant in the low energy limit from absorption lines in the spectra of distant quasars”. 《Phys. Rev. Lett.》 92 (12): 121302. arXiv:astro-ph/0402177. Bibcode:2004PhRvL..92l1302S. doi:10.1103/PhysRevLett.92.121302. PMID15089663. CS1 관리 - 여러 이름 (링크)
Petrov, Yu. V.; Nazarov, A. I.; Onegin, M. S.; Sakhnovsky, E. G. (2006). “Natural nuclear reactor at Oklo and variation of fundamental constants: Computation of neutronics of a fresh core”. 《Physical Review C》 74 (6): 064610. arXiv:hep-ph/0506186. Bibcode:2006PhRvC..74f4610P. doi:10.1103/PHYSREVC.74.064610.
R. Srianand, H. Chand, P. Petitjean and B. Aracil (2004). “Limits on the time variation of the electromagnetic ne-structure constant in the low energy limit from absorption lines in the spectra of distant quasars”. 《Phys. Rev. Lett.》 92 (12): 121302. arXiv:astro-ph/0402177. Bibcode:2004PhRvL..92l1302S. doi:10.1103/PhysRevLett.92.121302. PMID15089663. CS1 관리 - 여러 이름 (링크)