@article{1365809,
      note = {"Volume 154, number 733 (fourth of 5 numbers)."},
      author = {Krajčevski, Milé,},
      url = {http://library.usi.edu/record/1365809},
      title = {Tilings of the plane, hyperbolic groups, and small  cancellation conditions /},
      recid = {1365809},
      pages = {1 online resource (74 pages) :},
}