@ARTICLE\{IMM2007-05047,
    author       = "P. Bille and I. L. G{\o}rtz",
    title        = "The Tree Inclusion Problem: In Linear Space and Faster",
    year         = "2007",
    journal      = "",
    volume       = "",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/5047-full.html"
}