TY  - RPRT
TI  - World-Wide Standardized Seismograph Network: a data users guide
AU  - Jon R. Peterson
AU  - Charles R. Hutt
PY  - 2014
DO  - 10.3133/ofr20141218
UR  - https://pubs.usgs.gov/publication/ofr20141218
ID  - ofr20141218
ER  -