TY - CONF AU - Johannes Soons AU - Ulf Griesmann C2 - Interferometry XVI: Techniques and Analysis, Proceedings of SPIE Volume 8493. , San Diego, CA DA - 2012-09-13 DO - https://doi.org/10.1117/12.930030 LA - en M1 - 8493 PB - Interferometry XVI: Techniques and Analysis, Proceedings of SPIE Volume 8493. , San Diego, CA PY - 2012 TI - Absolute interferometric tests of spherical surfaces based on rotational and translational shears ER -