@article{217392,
      recid = {217392},
      author = {Hill, David P.},
      title = {Development of alert criteria for future volcanic unrest  in Long Valley Caldera, California [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
      address = {[Denver, Colo.?] :},
      pages = {15 leaves :},
      year = {1990},
      note = {Cover title.},
      url = {http://library.usi.edu/record/217392},
}