@software{stefan_pfenninger_2017_240612, author = {Stefan Pfenninger and Bryn Pickering}, title = {calliope-project/calliope: Release v0.4.1}, month = jan, year = 2017, publisher = {Zenodo}, version = {v0.4.1}, doi = {10.5281/zenodo.240612}, url = {https://doi.org/10.5281/zenodo.240612} }