TY  - RPRT
TI  - Nitrogen and phosphorus in the Upper Mississippi River: Transport, processing, and effects on the river ecosystem
AU  - J.N. Houser
AU  - W. B. Richardson
PY  - 2010
DO  - 10.1007/s10750-009-0067-4
UR  - https://pubs.usgs.gov/publication/70033911
ID  - 70033911
ER  -