TY  - RPRT
TI  - Seismic refraction study of crustal structure in the western United States
AU  - Claus Prodehl
PY  - 1970
DO  - 10.1130/0016-7606(1970)81[2629:srsocs]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70226577
ID  - 70226577
ER  -