@article{224884,
      author = {Walters, Kerry S. and Portmess, Lisa,},
      url = {http://library.usi.edu/record/224884},
      title = {Ethical vegetarianism : from Pythagoras to Peter Singer /},
      publisher = {State University of New York Press,},
      recid = {224884},
      pages = {xi, 287 p. ;},
      address = {Albany :},
      year = {1999},
}