Wenquan Feng Min Du Qi Zhao Dong Wang A Method of Combining HSSE-tree and Binary Label to Compute All Minimal Hitting Sets. 23-26 2011 ISCID (2) http://doi.ieeecomputersociety.org/10.1109/ISCID.2011.107 conf/iscid/2011 db/conf/iscid/iscid2011-2.html#FengDZW11