Study of the many fluorescent lines and the absorption variability in GX 301−2 with XMM-Newton F. Fürst, S. Suchy, I. Kreykenbohm, L. Barragán, J. Wilms, K. Pottschmidt, I. Caballero, P. Kretschmar, C. Ferrigno and R. E. Rothschild A&A, 535 (2011) A9 Published online: 25 October 2011 DOI: 10.1051/0004-6361/201117665