TY  - RPRT
TI  - A modification in the determination of reducible sulfur by the tin(II)-strong phosphoric acid method using the LECOtmSC132 Sulfur Analyzer
AU  - M.R. Krasnow
PY  - 1986
DO  - 10.3133/ofr876
UR  - https://pubs.usgs.gov/publication/ofr876
ID  - ofr876
ER  -