Sriram Sankaranarayanan Thao Dang Franjo Ivancic A Policy Iteration Technique for Time Elapse over Template Polyhedra. 654-657 2008 HSCC http://dx.doi.org/10.1007/978-3-540-78929-1_57 conf/hybrid/2008 db/conf/hybrid/hscc2008.html#SankaranarayananDI08