@misc{indiciaeab4764055048, title = {Equations for estimating horizontal response spectra and peak acceleration from western North American earthquakes: A summary of recent work}, author = {David M. Boore and William B. Joyner and Thomas E. Fumal}, year = {1997}, doi = {10.1785/gssrl.76.3.368}, url = {https://pubs.usgs.gov/publication/70020212}, note = {Source identifier: 70020212} }