Traceability of voltage and resistance measurements in EstoniaPokatilov, Andrei; Kübarsepp, ToomasTransverse Disciplines in Metrology : proceedings of the 13th International Metrology Congress : 2007, Lille, France2009 / p. 533-542https://onlinelibrary.wiley.com/doi/abs/10.1002/9780470611371.ch46