@article{Ziegler88,
  title = {Branchings in rooted graphs and the diameter of greedoids},
  author = {Günter M. Ziegler},
  year = {1988},
  tags = {graph-rewriting, rewriting},
  researchr = {https://researchr.org/publication/Ziegler88},
  cites = {0},
  citedby = {0},
  journal = {Combinatorica},
  volume = {8},
  number = {2},
  pages = {217-234},
}