@article{198907,
      recid = {198907},
      author = {Abrams, Gerda. and Senterfit, R. M. and Klein, Douglas P.},
      title = {Gravity data at the western rim of the Bursum caldera, New  Mexico; including principal facts, profiles and gravity  contour maps [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :},
      address = {[Denver, CO] :},
      pages = {11 leaves :},
      year = {1992},
      note = {Cover title.},
      url = {http://library.usi.edu/record/198907},
}