@InProceedings{EHK99,
    Author       = "Eschenbach, C. and Habel, C. and Kulik, L.",
    Year         = "1999",
    Title        = "{Representing Simple Trajectories as Oriented Curves}",
    Editor       = "Russell I. and Kumar, A.",
    BookTitle    = "{Proceedings of the 12th International FLAIRS Conference}",
    Place        = "Orlando, USA",
    Pages        = "431-436",
    Publisher    = "AAAI Press",
    Comment      = "TPTPRef"
}