Yury Chebiryak Thomas Wahl Daniel Kroening Leopold Haller Finding Lean Induced Cycles in Binary Hypercubes. 18-31 2009 SAT http://dx.doi.org/10.1007/978-3-642-02777-2_4 conf/sat/2009 db/conf/sat/sat2009.html#ChebiryakWKH09