1. ISO/CD 230-1.3. Test code for machine tools – Part 1: Geometric accuracy of machines operating under no-load or finishing conditions), Geneva, Switzerland; 2006.
2. Bringmann B. Improving geometric calibration methods of multi-axes machining centers by examining error interdependency effects. Ph.D. Thesis, ETH Zurich; 2007.
3. ISO 10791-2:2001(E). Test code for machining centers – Part 2: Geometric test for machines with vertical spindle or universal heads with vertical primary rotary axis (vertical Z-axis), Geneva, Switzerland; 2001.
4. ISO 230-4:2005. Test code for machine tools – Part 4: Circular tests for numerically controlled machine tools, Geneva, Switzerland; 2005.
5. ISO/TR 16015:2003. Geometrical product specifications (GPS) – Systematic errors and contributions to measurement uncertainty of length measurement due to thermal influences, Geneva, Switzerland; 2003.