TY  - RPRT
TI  - Denitrification in marine shales in northeastern Colorado
AU  - Peter B. McMahon
AU  - J.K. Böhlke
AU  - Breton W. Bruce
PY  - 1999
DO  - 10.1029/1999wr900004
UR  - https://pubs.usgs.gov/publication/70021957
ID  - 70021957
ER  -