@misc{1196891, author = {G F Strouse and W L Tew}, title = {Standard Reference Materials ::Standard reference material 1750 /}, year = {2001}, month = {2001-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.260-139}, language = {en}, }