Sun, J., Shen, Z., Wang, R., Li, G., Zhang, Y., Zhang, B., He, K., Tong, Z., Xu, H., Qu, L., Ho, S.S.H., Liu, S., Cao, J. (2021). A comprehensive study on ozone pollution in a megacity in North China Plain during summertime: Observations, source attributions and ozone sensitivity, Environment International, 146, Article No. 106279.