TY  - RPRT
TI  - Geochronology of archean gneisses in the Lake Helen area, southwestern Big Horn Mountains, Wyoming
AU  - Joseph G. Arth
AU  - F. Barker
AU  - T. W. Stern
PY  - 1980
DO  - 10.1016/0301-9268(80)90078-9
UR  - https://pubs.usgs.gov/publication/70012350
ID  - 70012350
ER  -