@software{richard_t_gray_2021_5502347, author = {Richard T. Gray and amyjisoo}, title = {{The-Kirby-Institute/covid19-closed-pop-models: Version 2.0 of the COVID-19 Excel spreadsheet model}}, month = sep, year = 2021, publisher = {Zenodo}, version = {v2.0}, doi = {10.5281/zenodo.5502347}, url = {https://doi.org/10.5281/zenodo.5502347} }