Shigeyoshi Tsutsui Martin Pelikan Ashish Ghosh Edge histogram based sampling with local search for solving permutation problems. 11-22 2006 3 Int. J. Hybrid Intell. Syst. 1 http://iospress.metapress.com/openurl.asp?genre=article&issn=1448-5869&volume=3&issue=1&spage=11 db/journals/ijhis/ijhis3.html#TsutsuiPG06