TY  - RPRT
TI  - Isotope-abundance variations and atomic weights of selected elements: 2016 (IUPAC Technical Report)
AU  - Tyler B. Coplen
AU  - Yesha Shrestha
PY  - 2017
DO  - 10.1515/pac-2016-0302
UR  - https://pubs.usgs.gov/publication/70185750
ID  - 70185750
ER  -