@article{90551, author = {Ulf Griesmann}, title = {Three-Flat Test Solutions based on Simple Mirror Symmetry}, year = {2006}, number = {45 (23)}, month = {2006-08-01}, publisher = {Applied Optics}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=822358}, language = {en}, }