@article{280883,
      author = {McMahan, Jeff.},
      url = {http://library.usi.edu/record/280883},
      title = {The ethics of killing : problems at the margins of life /},
      publisher = {Oxford University Press,},
      recid = {280883},
      pages = {xiii, 540 p. :},
      address = {New York :},
      year = {2002},
}