TY  - RPRT
TI  - HYPO71: a computer program for determining hypocenter, magnitude, and first motion pattern of local earthquakes
AU  - William Hung Kan Lee
AU  - John C. Lahr
PY  - 1972
DO  - 10.3133/ofr72224
UR  - https://pubs.usgs.gov/publication/ofr72224
ID  - ofr72224
ER  -