TY  - RPRT
TI  - Temporal and vertical distribution of total ammonia nitrogen and un-ionized ammonia nitrogen in sediment pore water from the upper Mississippi River
AU  - Bradley E. Frazier
AU  - Teresa J. Naimo
AU  - Mark B. Sandheinrich
PY  - 1996
DO  - 10.1002/etc.5620150204
UR  - https://pubs.usgs.gov/publication/1002893
ID  - 1002893
ER  -