Peter J.P.J.MohrPeter J.P.J., David B.D.B.NewellDavid B.D.B., Barry N.B.N.TaylorBarry N.B.N., CODATA recommended values of the fundamental physical constants: 2014, „Reviews of Modern Physics”, 88 (3), 2016, DOI: 10.1103/RevModPhys.88.035009, arXiv:1507.07956(ang.).
Peter J.P.J.MohrPeter J.P.J., David B.D.B.NewellDavid B.D.B., Barry N.B.N.TaylorBarry N.B.N., CODATA recommended values of the fundamental physical constants: 2014, „Reviews of Modern Physics”, 88 (3), 2016, DOI: 10.1103/RevModPhys.88.035009, arXiv:1507.07956(ang.).