@article{475068,
      author = {Hannan, Michael T. and Freeman, John,},
      url = {http://library.usi.edu/record/475068},
      title = {Organizational ecology/},
      publisher = {Harvard University Press,},
      recid = {475068},
      pages = {xvi, 366 p. :},
      address = {Cambridge, MA :},
      year = {1989},
}