@CONFERENCE\{IMM1996-0229,
    author       = "S. Cotin and H. Delingette and J. Clement and M. Bro-Nielsen and N. Ayache and J. Marescaux",
    title        = "Geometrical and Physical Representations for a Simulator of Hepatic Surgery",
    year         = "1996",
    month        = "jan",
    pages        = "139-151",
    booktitle    = "Proc. Medicine Meets Virtual Reality 4 (MMVR-4), San Diego, California, January 17-20",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/229-full.html"
}