Li, Y.-H., L. Yang, H.-B. Li, S.-Q. Wang, and F. Su. “Identification of Nitrous Oxide Generation in Subsurface Wastewater Infiltration System Filled With Mixed Matrix”. Journal of Environmental Engineering and Landscape Management, vol. 28, no. 2, Apr. 2020, pp. 88-94, doi:10.3846/jeelm.2020.12073.