@article{326970,
      recid = {326970},
      author = {Ruse, Michael. and Richards, Robert J.},
      title = {The Cambridge companion to the "Origin of species" /},
      publisher = {Cambridge University Press,},
      address = {Cambridge ;},
      pages = {xxvii, 395 p. :},
      year = {2009},
      url = {http://library.usi.edu/record/326970},
}