Fan, Junkai; Hu, Qian; Tang, Zhenzhou: 'Predicting vacant parking space availability: an SVR method with fruit fly optimisation', IET Intelligent Transport Systems, 2018, 12, (10), p. 1414-1420, DOI: 10.1049/iet-its.2018.5031
IET Digital Library, https://digital-library.theiet.org/;jsessionid=12rq06ql4k3fa.x-iet-live-01content/journals/10.1049/iet-its.2018.5031