@ARTICLE 
        { FMMNtalg07,
          TITLE = "Compressed Representations of Sequences and Full-Text 
		   Indexes",
          AUTHOR = "P. Ferragina and G. Manzini and V. M{\"a}kinen and 
		    G. Navarro",
	  JOURNAL = "ACM Transactions on Algorithms",
          YEAR = 2007,
	  VOLUME = 3,
	  NUMBER = 2,
	  PAGES = "article 20"
        }