@PHDTHESIS {
        Navthesis98,
        AUTHOR = "G. Navarro",
        TITLE = "Approximate Text Searching",
        SCHOOL = "Department of Computer Science, University of Chile",
        YEAR = 1998,
        MONTH = Dec,
        NOTE = "{\tt ftp://\-ftp.dcc.uchile.cl/\-pub/\-users/\-gnavarro/\-thesis98.ps.gz}"
        }