@ARTICLE {
        FBNCPR11,
	TITLE = "Word-based Self-Indexes for Natural Language Text",
        AUTHOR = "A. Fari{\~n}a and N. Brisaboa and G. Navarro and F. Claude
		  and A. Places and E. Rodr{\'{\i}}guez",
        JOURNAL = {ACM Transactions on Information Systems},
        YEAR = 2012,
	VOLUME = 30,
	NUMBER = 1,
	PAGES = "article 1"
        }