@article{173433,
      author = {Regan, Tom. and Singer, Peter,},
      url = {http://library.usi.edu/record/173433},
      title = {Animal rights and human obligations /},
      publisher = {Prentice Hall,},
      recid = {173433},
      pages = {viii, 280 p. ;},
      address = {Englewood Cliffs, N.J. :},
      year = {1989},
}