@misc{wrf-siting-jan2004,
    author = "Franklin, Wm. Randolph",
    precedes = "wrf-siting-web",
    title = "Automated Observer Siting on Terrain, Showing Intervisibility",
    howpublished = "\url{https://wrfranklin.org/Research/siting/}",
    mykey = "xxxvisviewshedsiting",
    year = "2004"
}