TY  - RPRT
TI  - A User's guide to the automatic phase picking system for portable 3-component seismograph 5-day tapes
AU  - M.L. Kauffmann
PY  - 1985
DO  - 10.3133/ofr86109
UR  - https://pubs.usgs.gov/publication/ofr86109
ID  - ofr86109
ER  -