D.
Haddad
Haddad, D., Seifert, F., Chao, L. S., Li, S., Newell, D. B., Pratt, J. R., … Schlamminger, S. (2016). Invited Article: A precise instrument to determine the Planck constant, and the future kilogram. Review of Scientific Instruments, 87. http://doi.org/10.1063/1.4953825
Haddad, D., Seifert, F., Chao, L. S., Possolo, A., Newell, D. B., Pratt, J. R., … Schlamminger, S. (2017). Measurement of the Planck constant at the National Institute of Standards and Technology from 2015 to 2017. Metrologia, 54, 633–641. http://doi.org/10.1088/1681-7575/aa7bf2
Chao, L. S., Schlamminger, S., Newell, D. B., Pratt, J. R., Seifert, F., Zhang, X., … Haddad, D. (2015). A LEGO Watt balance: An apparatus to determine a mass based on the new SI. American Journal of Physics, 83, 913–922. http://doi.org/10.1119/1.4929898