BibTex format
@article{Badesa:2020:10.1109/TPWRS.2020.2997194,
author = {Badesa, L and Teng, F and Strbac, G},
doi = {10.1109/TPWRS.2020.2997194},
journal = {IEEE Transactions on Power Systems},
pages = {4459--4469},
title = {Optimal portfolio of distinct frequency response services in low-inertia systems},
url = {http://dx.doi.org/10.1109/TPWRS.2020.2997194},
volume = {35},
year = {2020}
}