Mignani, R. P.; Testa, V.; González Caniulef, D.; Taverna, R.; Turolla, R.; Zane, S.; Wu, K. (2016-11-02). "Evidence for vacuum birefringence from the first optical-polarimetry measurement of the isolated neutron star RX J1856.5−3754". Monthly Notices of the Royal Astronomical Society. 465 (1). Oxford University Press (OUP): 492–500. arXiv:1610.08323. doi:10.1093/mnras/stw2798. ISSN0035-8711.
Mignani, R. P.; Testa, V.; González Caniulef, D.; Taverna, R.; Turolla, R.; Zane, S.; Wu, K. (2016-11-02). "Evidence for vacuum birefringence from the first optical-polarimetry measurement of the isolated neutron star RX J1856.5−3754". Monthly Notices of the Royal Astronomical Society. 465 (1). Oxford University Press (OUP): 492–500. arXiv:1610.08323. doi:10.1093/mnras/stw2798. ISSN0035-8711.
Mignani, R. P.; Testa, V.; González Caniulef, D.; Taverna, R.; Turolla, R.; Zane, S.; Wu, K. (2016-11-02). "Evidence for vacuum birefringence from the first optical-polarimetry measurement of the isolated neutron star RX J1856.5−3754". Monthly Notices of the Royal Astronomical Society. 465 (1). Oxford University Press (OUP): 492–500. arXiv:1610.08323. doi:10.1093/mnras/stw2798. ISSN0035-8711.