TY  - RPRT
TI  - History of the recommended atomic-weight values from 1882 to 1997: A comparision of differences from current values to the estimated uncertainties of earlier values
AU  - T.B. Coplen
AU  - H.S. Peiser
PY  - 2009
DO  - 10.1351/pac199870010237
UR  - https://pubs.usgs.gov/publication/70020901
ID  - 70020901
ER  -