TY  - RPRT
TI  - A brief review of borehole geophysical logging activities in Armenia
AU  - B.S. Pierce
AU  - Grigor Grigorian
PY  - 1999
DO  - 10.3133/ofr99561
UR  - https://pubs.usgs.gov/publication/ofr99561
ID  - ofr99561
ER  -