TY - RPRT TI - Letter Circular 1035: units and systems of weights and measures their origin, development, and present status AU - Judson, Lewis V AU - Barbrow, Louis E PY - 1985 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - LCIRC 1035r1985 DO - 10.6028/NBS.LCIRC.1035r1985 ER -