TY - RPRT TI - Checking the net contents of packaged goods AU - Brickenkamp, C S AU - Hasko, S AU - Natrella, M G PY - 1988 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NIST HB 133e3 DO - 10.6028/NIST.HB.133e3 ER -