Liu, Qian, Harris, Jackson T., Chiu, Long S., Sun, Donglian, Houser, Paul R., Yu, Manzhu, Duffy, Daniel Q., Little, Michael M., and Yang, Chaowei. Spatiotemporal impacts of COVID-19 on air pollution in California, USA. Retrieved from https://par.nsf.gov/biblio/10213666. Science of The Total Environment 750.C Web. doi:10.1016/j.scitotenv.2020.141592.

Liu, Qian, Harris, Jackson T., Chiu, Long S., Sun, Donglian, Houser, Paul R., Yu, Manzhu, Duffy, Daniel Q., Little, Michael M., & Yang, Chaowei. Spatiotemporal impacts of COVID-19 on air pollution in California, USA. Science of The Total Environment, 750 (C). Retrieved from https://par.nsf.gov/biblio/10213666. https://doi.org/10.1016/j.scitotenv.2020.141592

Liu, Qian, Harris, Jackson T., Chiu, Long S., Sun, Donglian, Houser, Paul R., Yu, Manzhu, Duffy, Daniel Q., Little, Michael M., and Yang, Chaowei. "Spatiotemporal impacts of COVID-19 on air pollution in California, USA". Science of The Total Environment 750 (C). Country unknown/Code not available. https://doi.org/10.1016/j.scitotenv.2020.141592. https://par.nsf.gov/biblio/10213666.

@article{osti_10213666,
place = {Country unknown/Code not available}, title = {Spatiotemporal impacts of COVID-19 on air pollution in California, USA}, url = {https://par.nsf.gov/biblio/10213666}, DOI = {10.1016/j.scitotenv.2020.141592}, abstractNote = {}, journal = {Science of The Total Environment}, volume = {750}, number = {C}, author = {Liu, Qian and Harris, Jackson T. and Chiu, Long S. and Sun, Donglian and Houser, Paul R. and Yu, Manzhu and Duffy, Daniel Q. and Little, Michael M. and Yang, Chaowei}, editor = {null} }