TY  - RPRT
TI  - Uncertainty and inferred reserve estimates — The 1995 National Assessment
AU  - Emil D. Attanasi
AU  - Timothy C. Coburn
PY  - 2003
DO  - 10.3133/b2172g
UR  - https://pubs.usgs.gov/publication/b2172G
ID  - b2172G
ER  -