TY  - RPRT
TI  - Lead-uranium ratio of siliceous pitchblende from Great Bear Lake, N. W. T., Canada, and its possible age
AU  - J. P. Marble
PY  - 2002
DO  - 10.1021/ja01294a014
UR  - https://pubs.usgs.gov/publication/70010855
ID  - 70010855
ER  -