@article{263390,
      note = {"NCTM' 90 San Antonio"--Cover.},
      author = {Balthrop, Barbara H. and Baker, Eva G.},
      url = {http://library.usi.edu/record/263390},
      title = {U.S. Geological Survey National Computer Technology  Meeting : Program and abstracts, May 7-11, 1990 [microform]  /. National Computer Technology Meeting},
      publisher = {U.S. Geological Survey ;},
      recid = {263390},
      pages = {xviii, 56 p. ;},
      address = {Nashville, Tenn. :},
      year = {1990},
}