@article{319584,
      author = {Gostick, Adrian Robert. and Christopher, Scott,},
      url = {http://library.usi.edu/record/319584},
      title = {The levity effect : why it pays to lighten up /},
      publisher = {John Wiley & Sons,},
      recid = {319584},
      pages = {viii, 229 p. :},
      address = {Hoboken, N.J. :},
      year = {2008},
}