Tao Yang Ye Huang Jianxin Chen Geng Yang Chunming Rong Di-GAFR: Directed Greedy Adaptive Face-Based Routing. 555-566 2008 ATC http://dx.doi.org/10.1007/978-3-540-69295-9_44 conf/atc/2008 db/conf/atc/atc2008.html#YangHCYR08