@ARTICLE\{IMM2007-05131,
    author       = "M. Stolpe and T. Stidsen",
    title        = "A hierarchical method for discrete structural topology design problems with local stress and displacement constraints",
    year         = "2007",
    pages        = "1060-1084",
    journal      = "International Journal for Numerical Methods in Engineering",
    volume       = "69",
    editor       = "",
    number       = "5",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/5131-full.html"
}