Stevens, M; Collier, T; Harris, R* (2000) Comparison of instruments for measuring relative humidity. NPL Report. CBTLM 6
Williams, R G; Harris, R* (1997) DOE Research contract 39/3/279 - Comparison between the measured, simulated and calculated U-values of eight window systems. NPL Report. QM 131
Williams, R G; Harris, R* (1996) Department of the Environment, partners in technology, technical infrastructure programme. Validation of thermal performance design tools for window frame construction: an independent verification by agreed measurement procedures. Report on phase 1 - comparison between the measured and simulated U-values of three window systems comprising a thermally broken aluminium frame, a PVC-U frame and a hardwood frame. NPL Report. QM 119