@article{9302,
  author = {A. Melott and Alexander Cohen and Andrew Hamilton and J. Gott and D. Weinberg},
  title = {Topology of large-scale structure. IV - Topology in two dimensions},
  year = {1989},
  journal = {The Astrophysical Journal},
  volume = {345},
  pages = {618},
  month = {10/1989},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1989ApJ...345..618M},
  doi = {10.1086/167935},
}