@CONFERENCE\{IMM2000-01096,
    author       = "K. Bormann",
    title        = "An adaptive occlusion culling algorithm for use in large ves",
    year         = "2000",
    pages        = "290",
    booktitle    = "{ACM} Virtual Reality 2000 Proceedings",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1096-full.html"
}