TY  - RPRT
TI  - Stable hydrogen and oxygen isotope ratios for selected sites of the U.S. Geological Survey's NASQAN and benchmark surface-water networks
AU  - Tyler B. Coplen
AU  - Carol Kendall
PY  - 2000
DO  - 10.3133/ofr00160
UR  - https://pubs.usgs.gov/publication/ofr00160
ID  - ofr00160
ER  -