Maw-Shang Chang Chuang-Chieh Lin Peter Rossmanith New Fixed-Parameter Algorithms for the Minimum Quartet Inconsistency Problem. 66-77 2008 IWPEC http://dx.doi.org/10.1007/978-3-540-79723-4_8 conf/iwpec/2008 db/conf/iwpec/iwpec2008.html#ChangLR08