Ahmadi, Mahdi and John, Kuruvilla  (2015) Statistical evaluation of the impact of shale gas activities on ozone pollution in North Texas.  Science of The Total Environment, 536.  pp. 457-467. DOI: https://doi.org/10.1016/j.scitotenv.2015.06.114 <https://doi.org/10.1016/j.scitotenv.2015.06.114>