@article {IOPORT.06108008,
    author       = {Hud\'ak, D\'avid and \v Sugerek, Peter},
    title        = {Light edges in 1-planar graphs with prescribed minimum degree.},
    year         = {2012},
    journal      = {Discussiones Mathematicae. Graph Theory},
    volume       = {32},
    number       = {3},
    issn         = {1234-3099},
    pages        = {454-556},
    publisher    = {University of Zielona G\'ora Press, Zielona G\'ora},
    identifier   = {06108008},
}