@article{491270,
      note = {Originally published: London : Weidenfeld & Nicolson,  1999.},
      author = {Singer, Peter,},
      url = {http://library.usi.edu/record/491270},
      title = {A Darwinian Left politics, evolution, and cooperation /  [electronic resource] :},
      recid = {491270},
      pages = {1 online resource (81 pages)},
}