@conference{184016, author = {Gregory Strouse}, title = {NIST Methods of Estimating the Impurity Uncertainty Component for ITS-90 Fixed-Point Cells from the Ar TP to the Ag FP}, year = {2003}, month = {2003-04-01}, publisher = {Consultative Committee for Thermometry (CCT) | 22nd | Consultative Committee for Thermometry (CCT): Report of the 22nd Meeting to the International Committee for Weights and Measures | BIPM}, language = {en}, }