TY  - RPRT
TI  - Three whole-wood isotopic reference materials, USGS54, USGS55, and USGS56, for δ2H, δ13C, δ15N, and δ18O measurements
AU  - Haiping Qi
AU  - Tyler B. Coplen
AU  - James A. Jordan
PY  - 2016
DO  - 10.1016/j.chemgeo.2016.07.017
UR  - https://pubs.usgs.gov/publication/70182733
ID  - 70182733
ER  -