Bing Su Qingchuan Xu Peng Xiao Finding the Anti-block Vital Edge of a Shortest Path Between Two Nodes. 11-19 2007 conf/cocoa/2007 COCOA http://dx.doi.org/10.1007/978-3-540-73556-4_4 db/conf/cocoa/cocoa2007.html#SuXX07