Brickenkamp, C.
, Hasko, S.
and Natrella, M.
(1985),
package checking field manual to accompany NBS Handbook 133 ::checking the net contents of packaged goods, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.85-3172
(Accessed December 3, 2024)