BibTex format
@article{Evans:2020:10.1109/TSG.2019.2918058,
author = {Evans, MP and Tindemans, SH and Angeli, D},
doi = {10.1109/TSG.2019.2918058},
journal = {IEEE Transactions on Smart Grid},
pages = {106--117},
title = {A graphical measure of aggregate flexibility for energy-constrained distributed resources},
url = {http://dx.doi.org/10.1109/TSG.2019.2918058},
volume = {11},
year = {2020}
}