TY - JOUR AU - Patrick Abbott AU - Zeina Kubarych AU - Ruimin Liu AU - Edwin Williams AU - Joe Chalfoun C2 - IEEE Transactions on Instrumentation and Measurement DA - 2009-04-01 LA - en M1 - 58 PB - IEEE Transactions on Instrumentation and Measurement PY - 2009 TI - A magnetic levitation technique for the simultaneous comparison of mass artifacts in air and vacuum. UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=824681 ER -