TY - JOUR AU - Abbott, Patrick AU - Kubarych, Zeina AU - Liu, Ruimin AU - Williams, Edwin AU - Chalfoun, Joe 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 -