TY - RPRT TI - Circular of the Bureau of Standards no. 540: weights and measures case reference book (through July 1952 court decisions) AU - Schwartz, Kathryn M AU - Bussey, William S PY - 1953 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 540 DO - 10.6028/NBS.CIRC.540 ER -