@ARTICLE\{IMM2002-01657,
    author       = "P. Ball",
    title        = "Noise put to work",
    year         = "2002",
    pages        = "2",
    journal      = "Nature Science Update (Online journal) April 17",
    volume       = "",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1657-full.html",
    abstract     = "Appraisal of B. Norden, Y. Zolotaryuk, P. L. Christiansen, and A.V. Zolotaryuk, {''}Ratchet device with broken friction symmetry{'',} Appl. Phys. Lett. 80, 2601-2603, 2002."
}