@misc{1163081, author = {Tomasz Plebanski and J Paul Cali}, title = {Standard Reference Materials ::Guide to United States reference materials/}, year = {1978}, month = {1978-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.SP.260-57}, language = {en}, }