@misc{
    lsts2pn,
    author = {M{\"a}kel{\"a}, Marko and Varpaaniemi, Kimmo},
    title = "lsts2pn---a translator from {TVT} {LSTS} files to the input file language of {Maria}",
    url = "http://www.tcs.hut.fi/Software/maria/tools/tvt/tvt.html",
    note = "computer program",
    flags = "ANNA-MARIA public copy",
    year = "2001",
    howpublished = "on the World Wide Web"
}