Ivica Mivskovivcov'a

Revealing the broad iron Kα line in Cygnus X-1 through simultaneous XMM-Newton, RXTE, and INTEGRAL observations

Cambridge, Astronomy, Garching, 2016, 1602.08756.

Spectroscopy of the Stellar Wind in the Cygnus X-1 System

K. Pottschmidt, N. Schulz, J. Wilms, 2011, 1103.2711.

Chandra X-Ray Spectroscopy of the Focused Wind in the Cygnus X-1 System. II. The Nondip Spectrum in the Low/Hard State - Modulations with Orbital Phase

Astronomy, Ecap, Physics, 2016, 1604.00364.