TY - JOUR AU - Peter Mohr AU - Ian Mills AU - Terry Quinn AU - Barry Taylor AU - Edwin Williams C2 - Proceedings of the Royal Society A-Mathematical Physical and Engineering Sciences DA - 2011-03-01 LA - en PB - Proceedings of the Royal Society A-Mathematical Physical and Engineering Sciences PY - 2011 TI - Adopting the International System of Units to the 21st century ER -