TY  - RPRT
TI  - Sewage contamination in the upper Mississippi River as measured by the fecal sterol, coprostanol
AU  - J.H. Writer
AU  - J.A. Leenheer
AU  - L. B. Barber
AU  - G.L. Amy
AU  - S.C. Chapra
PY  - 1995
DO  - 10.1016/0043-1354(94)00304-p
UR  - https://pubs.usgs.gov/publication/70018980
ID  - 70018980
ER  -