BibTex format
@article{Heptonstall:2020:10.1038/s41560-020-00695-4,
author = {Heptonstall, P and Gross, R},
doi = {10.1038/s41560-020-00695-4},
journal = {Nature Energy},
pages = {72--83},
title = {A systematic review of the costs and impacts of integrating variable renewables into power grids},
url = {http://dx.doi.org/10.1038/s41560-020-00695-4},
volume = {6},
year = {2020}
}