TY  - RPRT
TI  - Comparison of methods for the removal of organic carbon and extraction of chromium, iron and manganese from an estuarine sediment standard and sediment from the Calcasieu River estuary, Louisiana, U.S.A.
AU  - N.S. Simon
AU  - S.A. Hatcher
AU  - C. Demas
PY  - 1992
DO  - 10.1016/0009-2541(92)90111-h
UR  - https://pubs.usgs.gov/publication/70017245
ID  - 70017245
ER  -