Enrico Rigoni Silvia Poles NBI and MOGA-II, two complementary algorithms for Multi-Objective optimizations. 2005 conf/dagstuhl/2005P4461 Practical Approaches to Multi-Objective Optimization http://drops.dagstuhl.de/opus/volltexte/2005/272 db/conf/dagstuhl/P4461.html#RigoniP05