Bingshu Zhang, ; Gang Zhu, ; Shengfeng Xu, ; Ning Zhang, : 'Energy-efficient roadside units deployment in vehicular ad hoc networks', IET Conference Proceedings, 2015, p. 5 .-5 ., DOI: 10.1049/cp.2015.0904 IET Digital Library, https://digital-library.theiet.org/;jsessionid=eom1n54gmkpip.x-iet-live-01content/conferences/10.1049/cp.2015.0904