@ARTICLE {
	NSTjda04,
	TITLE = "Indexing Text with Approximate $q$-grams",
	AUTHOR = "G. Navarro and E. Sutinen and J. Tarhio",
	JOURNAL = "Journal of Discrete Algorithms (JDA)",
        VOLUME = 3,
	NUMBER = "2--4",
	PAGES = "157--175",
	YEAR = 2005,
	PUBLISHER = "Elsevier Science",
	}