@incollection{Light11,
author = {Gregory L. Light},
title = {General Relativity Extended},
booktitle = {Electromagnetic Waves},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Ahmed Kishk},
chapter = {6},
doi = {10.5772/16389},
url = {https://doi.org/10.5772/16389}
}