@INPROCEEDINGS{
        BLNSsecogis09,
        AUTHOR = "N. Brisaboa and M. Luaces and G. Navarro and D. Seco",
	TITLE = "A New Point Access Method based on Wavelet Trees",
        BOOKTITLE = "Proc. 3rd International Workshop on Semantic and 
		     Conceptual Issues in GIS (SeCoGIS)",
        YEAR = "2009",
	SERIES = "LNCS 5833",
	PAGES = "297--306",
        PUBLISHER = "Springer",
    }