TY  - RPRT
TI  - Regional Vp, Vs, Vp/Vs, and Poisson's ratios across earthquake source zones from Memphis, Tennessee, to St. Louis, Missouri
AU  - R. D. Catchings
PY  - 1999
DO  - 10.1785/bssa0890061591
UR  - https://pubs.usgs.gov/publication/70021652
ID  - 70021652
ER  -