TY - JOUR AU - Stephan Schlamminger AU - Darine El AU - Frank Seifert AU - Leon Chao AU - David Newell AU - Richard Steiner AU - Jon Pratt C2 - Metrologia DA - 2014-03-31 DO - https://doi.org/10.1088/0026-1394/51/2/S15 LA - en M1 - 51 PB - Metrologia PY - 2014 TI - Determination of the Planck constant using a watt balance with a superconducting magnet system at the National Institute of Standards and Technology ER -