Roberto Grossi Alessio Orlandi Rajeev Raman S. Srinivasa Rao More Haste, Less Waste: Lowering the Redundancy in Fully Indexable Dictionaries. 517-528 2009 STACS http://drops.dagstuhl.de/opus/volltexte/2009/1847 conf/stacs/2009 db/conf/stacs/stacs2009.html#GrossiORR09