@INPROCEEDINGS{
        NRsisap09.1,
        AUTHOR = "G. Navarro and N. Reyes",
	TITLE = "Dynamic Spatial Approximation Trees for Massive Data",
        BOOKTITLE = {Proc. 2nd International Workshop on Similarity Search
		     and Applications (SISAP)},
        YEAR = "2009",
	PAGES = "81--88",
        PUBLISHER = "IEEE CS Press",
    }