@ARTICLE\{IMM1995-0692,
    author       = "C. Bendtsen and P. C. Hansen and K. Madsen and H. B. Nielsen and M. C. Pinar",
    title        = "Implementation of {QR} up- and downdating on a massively parallel 
computer",
    year         = "1995",
    pages        = "49-61",
    journal      = "Parallel Computing",
    volume       = "21",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/692-full.html"
}