@article{194574,
      note = {Originally published: Cambridge, Mass. : MIT Press, 1984.},
      author = {Sober, Elliott.},
      url = {http://library.usi.edu/record/194574},
      title = {The nature of selection : evolutionary theory in  philosophical focus /},
      publisher = {University of Chicago Press,},
      recid = {194574},
      pages = {x, 383 p. :},
      address = {Chicago :},
      year = {1993},
}