@incollection{Light,
author = {Gregory Light},
title = {General Relativity Extended},
booktitle = {Electromagnetic Waves},
publisher = {IntechOpen},
address = {Rijeka},
year = {},
editor = {Ahmed Kishk},
chapter = {6},
doi = {10.5772/16389},
url = {https://doi.org/10.5772/16389}
}