TY  - RPRT
TI  - Nitrate isotopes in groundwater systems
AU  - Carol Kendall
AU  - Ramon Aravena
PY  - 2000
DO  - 10.1007/978-1-4615-4557-6_9
UR  - https://pubs.usgs.gov/publication/70199234
ID  - 70199234
ER  -