Raffaele Giancarlo Marinella Sciortino Optimal Partitions of Strings: A New Class of Burrows-Wheeler Compression Algorithms. 129-143 2003 conf/cpm/2003 CPM http://link.springer.de/link/service/series/0558/bibs/2676/26760129.htm db/conf/cpm/cpm2003.html#GiancarloS03