@misc{1196866, author = {Donna B Klinedinst and R Michael Verkouteren}, title = {Standard Reference Materials ::Value assignment and uncertainty estimation of selected light stable isotope reference materials /}, year = {2003}, month = {2003-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.260-149}, language = {en}, }