@article{152107,
      note = {Includes index.},
      author = {Hawking, Stephen,},
      url = {http://library.usi.edu/record/152107},
      title = {Black holes and baby universes and other essays /},
      publisher = {Bantam Books,},
      recid = {152107},
      pages = {ix, 182 p. ;},
      address = {New York, N.Y. :},
      year = {1993},
}