1 Aerospace Industries Association, "NAS 979, Uniform cutting tests - NAS series, metal cutting equipment specifications, In Aerospace Industries Association - National Aerospace Standard"
2 Tsutsumi, M., "Identification of angular and positional deviations inherent to 5-axis machining centers with a tilting-rotary table by simultaneous four-axis control movements" 44 (44): 1333-1342, 2004
3 ISO Standards, "Geometric accuracy of machines operating under no-load or finishing conditions,ISO 230-1"