@article{dodds2010optimal,
  title={Optimal form of branching supply and collection networks},
  author={Peter Sheridan Dodds},
  journal={Physical Review Letters},
  volume={104},
  pages={048702},
  arXiv={http://arxiv.org/abs/0909.1104},
  journalpage={http://prl.aps.org/abstract/PRL/v104/i4/e048702},
  year={2010},
  citations={}
}