TY  - RPRT
TI  - HYPOELLIPSE/MULTICS: A computer program for determining local earthquake hypocentral parameters, magnitude, and first motion pattern
AU  - J.C. Lahr
PY  - 1979
DO  - 10.3133/ofr8059
UR  - https://pubs.usgs.gov/publication/ofr8059
ID  - ofr8059
ER  -