1. Recent advances in separation of roughness, waviness and form;J. Raja;Precision Engineering,2002
2. Measurement of surface texture and assessment of surface geometric form. Measurement principles and conditions requirements. Standarization to surface measurements;S. Adamczak;Mechanik,2006
3. EN ISO 11562:1996 Geometrical Product Specification (GPS) - Surface texture: Profile metod - Metrological characteristics of phase correct filters.
4. Evaluation of CMM for flatness measurements;H. Sidki;Metrol. Meas. Syst,2008