Topographic slope as a proxy for seismic site-conditions (VSp30s) and amplification around the globe [electronic resource] / by Trevor I. Allen and David J. Wald.
Mode of access: Internet from the USGS web site. Address as of 1/3/08: http://pubs.usgs.gov/of/2007/1357/pdf/OF07-1357_508.pdf; current access via PURL.
Note
Title from PDF title screen (viewed on Dec. 12, 2007).