Nguyen, Hoang; Cai, Chen; Chen, Fang: 'Automatic classification of traffic incident's severity using machine learning approaches', IET Intelligent Transport Systems, 2017, 11, (10), p. 615-623, DOI: 10.1049/iet-its.2017.0051
IET Digital Library, https://digital-library.theiet.org/;jsessionid=zsty7dfgfhh6.x-iet-live-01content/journals/10.1049/iet-its.2017.0051