Pugliese, S. C.; Murphy, J. G.; Vogel, F. R.; Moran, M. D.; Zhang, J.; Zheng, Q.; Stroud, C. A.; Ren, S.; Worthy, D.; Broquet, G. High-Resolution Quantification Of Atmospheric Co2 Mixing Ratios In The Greater Toronto Area, Canada. Atmospheric Chemistry and Physics 2018, 18, 3387?3401.