@article{865379,
      recid = {865379},
      author = {Pfaff, Lilian, and Eckmann, Sabine},
      title = {Clocks and clouds : the architecture of Escher GuneWardena  /},
      pages = {1 online resource (271 pages) :},
      url = {http://library.usi.edu/record/865379},
}