Introducing Joint Research Project «Quantum Ampere» for the realisation of the new SI ampereHansjörg Scherer, Stephen P. Giblin, Xavier Jehl, Antti Manninen, François Piquemal and David A. RitchieEPJ Web of Conferences, 77 (2014) 00004DOI: https://doi.org/10.1051/epjconf/20147700004