The truncated and evolving inner accretion disc of the black hole GX 339−4 D. S. Plant, R. P. Fender, G. Ponti, T. Muñoz-Darias and M. Coriat A&A, 573 (2015) A120 Published online: 09 January 2015 DOI: 10.1051/0004-6361/201423925