@misc{1151171, author = {Kenneth S Butcher}, title = {Checking the net contents of packaged goods:}, year = {1992}, month = {1992-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.HB.133e3supp3}, language = {en}, }