@ARTICLE\{IMM2000-0921,
    author       = "N. C. Albertsen",
    title        = "Doubly diffracted ray from a hard quarterplane",
    year         = "2000",
    pages        = "764-767",
    journal      = "{IEEE} Transactions on Antennas and Propagation",
    volume       = "48",
    editor       = "",
    number       = "5",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/921-full.html"
}