TY  - RPRT
TI  - GEOS seismograms for aftershocks of the earthquakes of December 7, 1988, near Spitak, Armenia SSR, during the time period 21 December 1988 through 26 December 1988 14:00 (UTC)
PY  - 1989
DO  - 10.3133/ofr89163b
UR  - https://pubs.usgs.gov/publication/ofr89163B
ID  - ofr89163B
ER  -