TY  - RPRT
TI  - Seismic Network Analysis and Processing System (SNAPS): system design and user's guide for hypocenter determination
AU  - Arthur C. Tarr
AU  - N.S. Davids
PY  - 1977
DO  - 10.3133/ofr77268
UR  - https://pubs.usgs.gov/publication/ofr77268
ID  - ofr77268
ER  -