1. Abramowitz, M., & Stegun, I. A. 1965, Handbook of Mathematical Functions (Washington: National Bureau of Standards)
2. Bekefi, G. 1966, Radiation Processes in Plasmas (New York: John Wiley)
3. An Analysis of the Synchrotron Self-Compton Model for the Multi--Wave Band Spectra of Blazars
4. Böttcher, M. 2002, in Gamma-Ray Astrophysics through Multiwavelength Experiments, Bull. Astron. Soc. India 30, 115