Winicour, Jeffrey Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
lrr-2009-3BW.pdf (Publisher version), 2MB
Winicour, J. (2009). Characteristic Evolution and Matching. Living Reviews in Relativity, 12: 3. Retrieved from http://www.livingreviews.org/lrr-2005-10.