Alexander Golynski Roberto Grossi Ankur Gupta Rajeev Raman S. Srinivasa Rao On the Size of Succinct Indices. 371-382 2007 conf/esa/2007 ESA http://dx.doi.org/10.1007/978-3-540-75520-3_34 db/conf/esa/esa2007.html#GolynskiGGRR07