@article{198931,
      note = {92-532-B is executable program on 1 disk.},
      author = {Powers, Michael H.},
      url = {http://library.usi.edu/record/198931},
      title = {GPRMODEL one-dimensional pull waveform forward modeling of  ground penetrating radar data / [microform] :},
      publisher = {U.S. Geological Survey :},
      recid = {198931},
      pages = {22 leaves :},
      address = {[Denver, Colo.] :},
      year = {1992},
}