https://www.researchgate.net/profile/Chun_Chieh_Tseng/publication/239392662_Inactivation_of_Virus-Containing_Aerosols_by_Ultraviolet_Germicidal_Irradiation/links/54f823b80cf2ccffe9dce501/Inactivation-of-Virus-Containing-Aerosols-by-Ultraviolet-Germicidal-Irradiation.pdf