Nielsen, Alex B. Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
IJMPD20_2205.pdf (Any fulltext), 267KB
Nielsen, A. B. (2011). Physical Aspects of Quasi-Local Black Hole Horizons. International Journal of Modern Physics D, 20(11), 2205-2221. doi:10.1142/S0218271811020378.