@ARTICLE\{IMM1998-0320,
    author       = "O. Bang",
    title        = "Cascading, quasi-phase-matching, and induced Kerr effects",
    year         = "1998",
    month        = "apr",
    pages        = "6-11",
    journal      = "{DOPS} Nyt - Danish Optical Society News",
    volume       = "13",
    editor       = "",
    number       = "2",
    publisher    = "{DOPS} - Danish Optical Society",
    url          = "http://www.imm.dtu.dk/~ob/Papers/inv2scan.pdf"
}