TY - JOUR AU - Williams, Edwin AU - Steiner, Richard AU - Newell, David C2 - Physical Review Letters DA - 1998-09-01 00:09:00 LA - en M1 - 81 PB - Physical Review Letters PY - 1998 TI - An Accurate Measurement of the Planck Constant UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=2723 ER -