Chu Min Li Felip Manyà Nouredine Ould Mohamedou Jordi Planes Transforming Inconsistent Subformulas in MaxSAT Lower Bound Computation. 582-587 2008 CP http://dx.doi.org/10.1007/978-3-540-85958-1_46 conf/cp/2008 db/conf/cp/cp2008.html#LiMMP08