TY - CONF AU - Richard Steiner AU - David Newell AU - Edwin Williams AU - Ruimin Liu AU - Pierre Gournay C2 - IEEE Trans. on Instrumentation and Measurement, London, UK LA - en PB - IEEE Trans. on Instrumentation and Measurement, London, UK PY - 1970 TI - The NIST Project for the Electronic Realization of the Kilogram ER -