@article{384201,
      author = {Hargittai, Magdolna. and Hargittai, István.},
      url = {http://library.usi.edu/record/384201},
      title = {Visual symmetry [electronic resource] /},
      publisher = {World Scientific,},
      recid = {384201},
      pages = {207 p. :},
      address = {Singapore ;},
      year = {2009},
}