@misc{1129801, author = {John R Sieber and John L Molloy and Caroline E Bibb and Matthew W Boyce and N Alan Heckert}, title = {Certification of Standard Reference Material 2859 and Standard Reference Material 2861 restricted elements in polyvinyl chloride:}, year = {2020}, month = {2020-04-01 04:04:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.260-200}, language = {en}, }