K. Arnaud, R. Smith, A. Siemiginowska - Handbook of X-ray Astronomy
R.J. Barlow - Statistics. A guide to the use of statistical methods in the physical sciences
P.R. Bevington - Data Reduction and Error Analysis for the Physical Sciences
G. Ghisellini - Beaming, Synchrotron and Inverse Compton
G.F. Knoll - Radiation Spectroscopy with scintillators
M.S. Longair - High Energy Astrophysics (Vol. 1, Vol. 2)
K. Makishima - Iron lines from Galactic and Extragalactic X-ray sources
G.B. Rybicki & A.P. Lightman - Radiative Processes in Astrophysics
*** X-Ray Data Booklet ***