Downes, S P; Knott, A J; Robinson, I A; Smith, J*; Beale, R* (2013) Pressure waveform generator for replicating arterial pressure waveforms. NPL Report. ENG 44

Berry, J; Downes, S P (2006) An investigation into the effect of marking mass standards of OIML class E1. NPL Report. DEPC-EM 002

Bayliss, D J; Downes, S P (2003) An evaluation of a Paar 5000 density meter. NPL Report. MATC(A)139

Downes, S P (2001) Interim report on the fabrication and characterisation of the surface of silicon artefacts used in the Avogadro project. NPL Report. CMAM 64