A model for cyclotron resonance scattering features G. Schönherr, J. Wilms, P. Kretschmar, I. Kreykenbohm, A. Santangelo, R. E. Rothschild, W. Coburn and R. Staubert A&A, 472 2 (2007) 353-365 Published online: 02 July 2007 DOI: 10.1051/0004-6361:20077218