Petchpong, P*; Head, D I (2007) Argon pressure is maintained in an Aluminium thermometric fixed-point cell. Metrologia, 44 (6). L73-L75
Petchpong, P*; Head, D I; Au, J Y H* (2008) Influence of a trace impurity on tin fixed point plateaus. In: SICE 2008, 20-22 Aug 2008, Japan.