TY - JOUR T1 - Geometrical optics for scalar, electromagnetic and gravitational waves on curved spacetime JO - International Journal of Modern Physics D UR - https://eprints.whiterose.ac.uk/id/eprint/134203 PY - 2018/08/01 AU - Dolan SR ED - DO - DOI: 10.1142/S0218271818430101 PB - World Scientific Publishing VL - 27 IS - 11 Y2 - 2025/11/30 ER -