TY - CONF AU - Darine El AU - Stephan Schlamminger AU - David Newell AU - Ruimin Liu AU - Edwin Williams AU - Jon Pratt C2 - Conference on Precision Electrical Measurements (CPEM) 2012, Conference Digest, National Harbor, MD DA - 2012-07-01 LA - en PB - Conference on Precision Electrical Measurements (CPEM) 2012, Conference Digest, National Harbor, MD PY - 2012 TI - Towards a fixed value of the Planck constant: reproducibility and an updated NIST-3 watt balance ER -