@article{131463,
      note = {Includes index.},
      author = {Whitfield, Philip.},
      url = {http://library.usi.edu/record/131463},
      title = {Why do volcanoes erupt? : questions about our unique  planet /},
      publisher = {Viking,},
      recid = {131463},
      pages = {96 p. :},
      address = {New York, U.S.A. :},
      year = {1990},
}