@article{article, title  = {{Geometrical optics for scalar, electromagnetic and gravitational waves on curved spacetime}},

 publisher = {{World Scientific Publishing}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/134203 }},

 year = {{2018}},

 month = {{8}},

 author = {{Dolan SR}},

 doi = {{10.1142/S0218271818430101}},

 volume = {{27}},

 journal = {{International Journal of Modern Physics D}},

 issue = {{11}},

 note = {{Accessed on 2025/11/30}}}