@CONFERENCE\{IMM2001-0171,
    author       = "O. Bang and T. W. Graversen",
    title        = "Accurate switching intensities and length scales in quasi-phase-matched materials",
    year         = "2001",
    pages        = "76-78",
    booktitle    = "Nonlinear Guided Waves and Their Applications, {OSA} Technical Digest",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "Optical Society of America",
    organization = "",
    address      = "Washington {DC}",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/171-full.html"
}