@MISC\{IMM2000-0185,
    author       = "K. B. Hilger and A. A. Nielsen and P. Knudsen",
    title        = "Aspects of remote sensing of the GEOid and Sea level Of the North Atlantic Region (GEOSONAR) project",
    year         = "2000",
    publisher    = "",
    address      = "Roskilde University Center, Denmark",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/185-full.html"
}