TY - RPRT U1 - Verschiedenartige Texte A1 - Schmid, Reiner A1 - Tawakoli, Taghi A1 - Padilla, Alfredo A1 - Vesali, Alireza T1 - Estimation of Grinding Wheel Topography Using Sets of Defocused Images T2 - Forschungsbericht Y2 - 2009 SP - 22 EP - 27 ER -