@INPROCEEDINGS{
        NSspire09.2,
        AUTHOR = "G. Navarro and L. Salmela",
	TITLE = "Indexing Variable Length Substrings for Exact and Approximate
Matching",
        BOOKTITLE = {Proc. 16th International Symposium on String Processing and Information Retrieval (SPIRE)},
        YEAR = "2009",
	SERIES = "LNCS 5721",
	PAGES = "214--221",
        PUBLISHER = "Springer",
    }