%0 journal article %@ 0033-4545 %A Meija, J., Coplen, T.B., Berglund, M., Brand, W.A., De Bieve, P., Gröning, M., Holden, N.E., Irrgeher, J., Loss, R.D., Walczyk, T., Prohaska, T. %D 2016 %J Pure and Applied Chemistry %N 3 %P 265-291 %R doi:10.1515/pac-2015-0305 %T Atomic weights of the elements 2013 (IUPAC Technical Report) %U https://doi.org/10.1515/pac-2015-0305 3 %X thorium to 232.0377(4) from 232.038 06(2).