@misc{indiciae6b5a5b0e8d39, title = {Determination of δ 18 O and δ 15 N in Nitrate}, author = {K. Revesz and J.K. Böhlke and T. Yoshinari}, year = {1997}, doi = {10.1021/ac9610523}, url = {https://pubs.usgs.gov/publication/70019465}, note = {Source identifier: 70019465} }