Bona, Carles Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Sintes, A. M. Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Sintes, A. M., Coley, A. A., & McManus, D. J. (1998). On space-times admitting shear-free, irrotational, geodesic null congruences. In Analytical and Numerical Approaches to Relativity: Sources of Gravitational Radiation, Proceedings of the Spanish Relativity Meeting 1997 (pp. 266-270). Palma: Universitat de les Illes Balears.