@article{HellwigVolkmann2004,
  author    = {Hellwig, Angelika and Volkmann, Lutz},
  title     = {Maximally local-edge-connected graphs and digraphs},
  series = {Ars combinatoria},
  volume    = {Vol. 72},
  journal   = {Ars combinatoria},
  issn      = {0381-7032},
  pages     = {295 -- 306},
  year      = {2004},
  language  = {en}
}