@article{DoerkenJagel2013,
  author    = {Veit Martin D{\"o}rken and Armin Jagel},
  title     = {Viburnum spp. - winterbl{\"u}hende Schneeb{\"a}lle (Caprifoliaceae)},
  journal   = {Jahrbuch des Bochumer Botanischen Vereins},
  volume    = {4},
  pages     = {270 -- 274},
  year      = {2013},
}