de Podesta, M; Underwood, R; Sutton, G; Morantz, P*; Harris, P M; Mark, D F*; Stuart, F M*; Vargha, G*; Machin, G (2013) A low-uncertainty measurement of the Boltzmann constant. Metrologia, 50 (4). pp. 354-376.
Mark, D F*; Stuart, F M*; de Podesta, M (2011) New high-precision measurements of the isotopic composition of atmospheric argon,. Geochim. Cosmochim. Acta, 75 (23). pp. 7494-7501.