@software{pedro_amaral_2021_4421373, author = {Pedro Amaral and Sergio Rey and James Gaboardi and Levi John Wolf and Wei Kang and Pablo Estrada and Philip Stephens and David C. Folch and Dani Arribas-Bel and Nicholas Malizia and eli knaap and Charles Schmidt and jlaura and Taylor Oshan and Xun Li}, title = {pysal/spreg: Release v1.2.1}, month = jan, year = 2021, publisher = {Zenodo}, version = {v1.2.1}, doi = {10.5281/zenodo.4421373}, url = {https://doi.org/10.5281/zenodo.4421373} }