@ARTICLE
        { GNNOtit15,
	  TITLE = "Efficient and Compact Representations of Prefix Codes",
          AUTHOR = "T. Gagie and G. Navarro and Y. Nekrich and A.
		     Ord{\'o\~n}ez",
	  JOURNAL = "IEEE Transactions on Information Theory",
	  YEAR = 2015,
	  VOLUME = 61,
	  NUMBER = 9,
	  PAGES = "4999--5011"
	}