TY  - RPRT
TI  - Determination of the total oxygen isotopic composition of nitrate and the calibration of a Δ17Ο nitrate reference material
AU  - Greg Michalski
AU  - Joel Savarino
AU  - J.K. Böhlke
AU  - Mark Thiemens
PY  - 2002
DO  - 10.1021/ac0256282
UR  - https://pubs.usgs.gov/publication/70185173
ID  - 70185173
ER  -