Interferometric absolute measurement of Flatness along circles and their unification. SIPE Proceedings. 2002. 4829, 319
Standardless Profile Measurement along Circles. 16 IMEKO WORLD CONGRESS. 2000. 8. Topic 14. 297
Measurement of Profile along a Circle on a Flat Surface Using a Fizeau-Interferometer with no Standard. 15 IMEKO WORLD CONGRESS. 1999. 9. TC-14. 49
Measurement of Profiles along a Circle on a flat Surfaces with no Standard. 14 IMEKO WORLD CONGRESS, New Measurements-Challenges and Visions. 1998. 8. Topic14. 147