@incollection{Stenflo20,
author = {Jan Olof Stenflo},
title = {Nature of Dark Energy},
booktitle = {Cosmology 2020},
publisher = {IntechOpen},
address = {Rijeka},
year = {2020},
editor = {Michael L. Smith},
chapter = {4},
doi = {10.5772/intechopen.91442},
url = {https://doi.org/10.5772/intechopen.91442}
}