%0 Journal Article
%A Horst Bettin
%A Kenichi Fujii
%A Arnold Nicolaus
%T Silicon spheres for the future realization of the kilogram and the mole
%J Comptes Rendus. Physique
%D 2019
%P 64-76
%V 20
%N 1-2
%I Elsevier
%R 10.1016/j.crhy.2018.12.005
%G en
%F CRPHYS_2019__20_1-2_64_0