@misc{1191921, author = {C E Waters}, title = {Circular of the Bureau of Standards no. 413::inks}, year = {1936}, month = {1936-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.CIRC.413}, language = {en}, }