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Callender, M J*; Efstathiou, A*; King, C W*; Walker, D D*; Gee, A E*; Lewis, A J; Oldfield, S; Steel, R M (2006) A swing arm profilometer for large telescope mirror element metrology. Proc. SPIE - Int. Soc. Opt. Eng., 6273. 62732R