@misc{826481, author = {William Kelly and Bruce MacDonald and Stefan Leigh}, title = {A Method for the Preparation of NIST Traceable Fossil Fuel Standards With Concentrations Intermediate to SRM Values: Coal and Coke}, year = {2021}, month = {2021-10-12 15:10:20}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, language = {en}, }