TY - JOUR AU - Keller, Mark AU - Eichenberger, Ali AU - Martinis, John AU - Zimmerman, Neil C2 - Science Magazine DA - 1999-09-10 LA - en M1 - 285 PB - Science Magazine PY - 1999 TI - A Capacitance Standard Based on Counting Electrons UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=926555 ER -