@ARTICLE\{IMM2007-05046,
    author       = "P. Bille and I. L. G{\o}rtz",
    title        = "Matching Subsequences in Trees",
    year         = "2007",
    journal      = "Journal of Discrete Algorithms (JDA), Special Issue on {CIAC} 2006.",
    volume       = "",
    editor       = "",
    number       = "",
    publisher    = "",
    note         = "Accepted",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/5046-full.html"
}