@ARTICLE {
        GHKKNPSir17,
	TITLE = "Document Retrieval on Repetitive Collections",
	AUTHOR = "T. Gagie and A. Hartikainen and K. Karhu and 
		 J. K{\"a}rkk{\"a}inen and G. Navarro and S. J. Puglisi and 
		 J. Sir{\'e}n",
        JOURNAL = {Information Retrieval},
	VOLUME = 20,
	PAGES = "253--291",
        YEAR = 2017
        }