Alexander Gutfraind Aric A. Hagberg Feng Pan Optimal Interdiction of Unreactive Markovian Evaders. 102-116 2009 CPAIOR http://dx.doi.org/10.1007/978-3-642-01929-6_9 conf/cpaior/2009 db/conf/cpaior/cpaior2009.html#GutfraindHP09