Kirk, John G. Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
http://iopscience.iop.org/0004-637X/745/2/108/ (Publisher version)
1109.2756 (Preprint), 387KB
Arka, I., & Kirk, J. G. (2012). Superluminal waves in pulsar winds. The Astrophysical Journal, 745(2): 108, pp. 1-11. doi:10.1088/0004-637X/745/2/108.