@article{HellwigVolkmann2003,
  author    = {Hellwig, Angelika and Volkmann, Lutz},
  title     = {Maximally edge-connected digraphs},
  series = {Australasian journal of combinatorics},
  volume    = {Vol. 27},
  journal   = {Australasian journal of combinatorics},
  issn      = {1034-4942 (E-Journal); 1034-4942 (Print)},
  pages     = {23 -- 32},
  year      = {2003},
  language  = {en}
}