1. Cosmic Gamma-Ray Sources, Ed. by K. S. Cheng and G. E. Romero (Kluwer Acad. Publ., Dordrecht, 2004).
2. M. Lyutikov, New J. Phys. 8, 119 (2006).
3. Neutron Stars and Pulsars, Ed. by W. Becker (Springer-Verlag, Berlin, 2009).
4. Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence, Ed. by M. Colpi, P. Casella, V. Gorini, et al. (Springer, Dordrecht, 2009).
5. B. Paczynski, Acta Astron. 51, 1 (2001).