Alix Boc Vladimir Makarenkov New Efficient Algorithm for Detection of Horizontal Gene Transfer Events. 190-201 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2812&spage=190 2003 conf/wabi/2003 WABI db/conf/wabi/wabi2003.html#BocM03