Debs, Talal A.; Redhead, Michael L.G. (1996). "The twin "paradox" and the conventionality of simultaneity". American Journal of Physics. 64 (4). ss. 384-392. Bibcode:1996AmJPh..64..384D. doi:10.1119/1.18252.KB1 bakım: Birden fazla ad: yazar listesi (link)
Debs, Talal A.; Redhead, Michael L.G. (1996). "The twin "paradox" and the conventionality of simultaneity". American Journal of Physics. 64 (4). ss. 384-392. Bibcode:1996AmJPh..64..384D. doi:10.1119/1.18252.KB1 bakım: Birden fazla ad: yazar listesi (link)