Harte, Abraham I. Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
1502.03658.pdf (Preprint), 841KB
document(3).pdf (Any fulltext), 659KB
Harte, A. I. (2015). Optics in a nonlinear gravitational plane wave. Classical and quantum gravity, 32(17): 175017. doi:10.1088/0264-9381/32/17/175017.