@ARTICLE 
        { MNSTtcs19,
          TITLE = "Ranked Document Selection",
          AUTHOR = "J. I. Munro and and G. Navarro and R. Shah and S. V. Thankachan",
	  JOURNAL = "Theoretical Computer Science",
	  YEAR = 2020,
	  VOLUME = "812",
	  PAGES = "149--159"
        }