@INPROCEEDINGS
        { FNUifip00,
          TITLE = "An Index for Two Dimensional String Matching Allowing Rotations",
          AUTHOR = "K. Fredriksson and G. Navarro and E. Ukkonen",
          BOOKTITLE = {Proc. 1st IFIP International Conference on Theoretical Computer Science (TCS)},
	  EDITOR = "J. van Leeuwen and O. Watanabe and M. Hagiya and P. Mosses 
		    and T. Ito",
          SERIES = "LNCS 1872",
          PUBLISHER = "Springer-Verlag",
          YEAR = 2000,
          PAGES = "59--75"
        }