T.T.BelloniT.T. i inni, GX 339-4: back to life, „arXiv:astro-ph”, 6 sierpnia 2002, arXiv:astro-ph/0208130(ang.).
T.T.Muñoz-DariasT.T., J.J.CasaresJ.J., I.G.I.G.Martínez-PaisI.G.I.G., On the masses and evolutionary status of the black hole binary GX 339-4: a twin system of XTE J1550-564?, „Monthly Notices of the Royal Astronomical Society”, 385 (4), 2008, DOI: 10.1111/j.1365-2966.2008.12987.x, arXiv:0801.3268 [astro-ph](ang.).
T.T.Muñoz-DariasT.T., J.J.CasaresJ.J., I.G.I.G.Martínez-PaisI.G.I.G., On the masses and evolutionary status of the black hole binary GX 339-4: a twin system of XTE J1550-564?, „Monthly Notices of the Royal Astronomical Society”, 385 (4), 2008, DOI: 10.1111/j.1365-2966.2008.12987.x, arXiv:0801.3268 [astro-ph](ang.).