@misc{1189036, author = {E L Graminski and E E Toth}, title = {Evaluation of currency and stamp papers:}, year = {1974}, month = {1974-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.74-431}, language = {en}, }