TY  - RPRT
TI  - Assessment of chemical variability in three independently prepared batches of National Institute for Standards and Technology SRM 2704, Buffalo River Sediment
AU  - S. A. Wilson
PY  - 1993
DO  - 10.3133/ofr93692
UR  - https://pubs.usgs.gov/publication/ofr93692
ID  - ofr93692
ER  -