TY - JOUR AU - Darine El AU - Frank Seifert AU - Leon Chao AU - David Newell AU - Jon Pratt AU - Carl Williams AU - Stephan Schlamminger AU - Shisong Li C2 - Review of Scientific Instruments DA - 2016-06-21 DO - https://doi.org/10.1063/1.4953825 LA - en PB - Review of Scientific Instruments PY - 2016 TI - A precise instrument to determine the Planck constant, and the future kilogram ER -