Rachakonda Prem, Muralikrishnan Bala, Cournoyer Luc, Sawyer Daniel
National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.
National Research Council of Canada, Ottawa, ON K1A 0R6, Canada.
J Res Natl Inst Stand Technol. 2018 Jul 12;123:1-4. doi: 10.6028/jres.123.006. eCollection 2018.