Article

Quabis, S*; Schulz, M*; Ehret, G*; Asar, M*; Balling, P*; Kren, P*; Bergmans, R H*; Kung, A*; Lassila, A*; Putland, D; Williams, D; Piree, H*; Prieto, E*; Perez, M*; Svedova, L*; Ramotowski, Z*; Vannoni, M*; Hungwe, F*; Kang, Y* (2017) Intercomparison of flatness measurement of an optical flat at apertures of up to 150 mm in diameter. Metrologia, 54 (1). pp. 85-93.