@article{713038,
      author = {Hooft, G. 't.},
      url = {http://library.usi.edu/record/713038},
      title = {Playing with planets [electronic resource] /},
      publisher = {World Scientific,},
      recid = {713038},
      pages = {vii, 143 p. :},
      address = {Hackensack, NJ :},
      year = {2008},
}