@INPROCEEDINGS 
        { NRisaac11,
          TITLE = "Space-Efficient Data-Analysis Queries on Grids",
          AUTHOR = "G. Navarro and L. Russo",
	  BOOKTITLE = "Proc. 22nd Annual International Symposium on 
			Algorithms and Computation (ISAAC)",
	  PUBLISHER = "Springer",
	  SERIES = "LNCS 7074",
          YEAR = 2011,
	  PAGES = "323--332"
        }