TY - RPRT TI - Directivity models produced for the Next Generation Attenuation West 2 (NGA-West 2) project AU - Paul A. Spudich AU - Jennie Watson-Lamprey AU - Paul G. Somerville AU - Jeff Bayless AU - Shrey Shahi AU - Jack W. Baker AU - Badie Rowshandel AU - Brian Chiou PY - 2012 UR - https://pubs.usgs.gov/publication/70156799 ID - 70156799 ER -