@article{216682,
      recid = {216682},
      author = {Boatwright, John. and Seekins, L. C.},
      title = {Response spectra from the 1989 Loma Prieta, California,  earthquake regressed for site amplification, attenuation,  and directivity [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,},
      address = {[Menlo Park, CA] :},
      pages = {i, 22 p., [10] leaves of plates :},
      year = {1997},
      note = {Cover title.},
      url = {http://library.usi.edu/record/216682},
}