https://www.researchgate.net/profile/Daniel_Gang/publication/51926430_Modeling_nitrate-nitrogen_removal_process_in_first-flush_reactor_for_stormwater_treatment/links/0fcfd50fcb9c9156a4000000.pdf | https://www.researchgate.net/profile/Daniel_Gang/publication/51926430_Modeling_nitrate-nitrogen_removal_process_in_first-flush_reactor_for_stormwater_treatment/links/0fcfd50fcb9c9156a4000000.pdf |