A map-based stateless VANET routing
http://dx.doi.org/10.1016/j.adhoc.2012.02.015 GeoSVR: A Map-based Stateless VANET Routing
http://os.cs.tsinghua.edu.cn/research/thesis/lzheng11 首都师范大学硕士学位论文：基于地图的车载自组网单播路由协议设计与实现
Thesis for Master degree in Capital Normal University: Design and implementation of a VANET unicast routing protocol based on electronic map.