Clay, K*; Quested, P N; Morrell, R; Mingard, K P (2011) A review of the measurement of single crystal orientation parameters of nickel castings. Adv. Mater. Res., 278. pp. 84-89.

Clay, K*; Mingard, K P; Morrell, R; Quested, P N (2010) R-value measurement issues for grain boundaries in nickel single crystal castings. Mater. Sci. Technol., 26 (7). pp. 781-786.

Clay, K*; Jackson, J D*; Quested, P N; Morrell, R (2009) Improving single-crystal orientation determination for advanced nickel-based alloys. Measurement Good Practice Guide. 112

McCartney, L N; Clay, K* (2009) Rigorous analysis for estimating the orientation of cubic crystals. NPL Report. MAT 30