@INPROCEEDINGS{
        BNspire11,
        AUTHOR = "D. Belazzougui and G. Navarro",
	TITLE = "Improved Compressed Indexes for Full-Text Document Retrieval",
        BOOKTITLE = {Proc. 18th International Symposium on String Processing and Information Retrieval (SPIRE)},
        YEAR = "2011",
	SERIES = "LNCS 7024",
	PAGES = "386--397"
    }