@inproceedings {evdcastedvandyckjsijberseraman2004, title = {The effect of beam hardening on MTF measurements in X-ray microtomography}, booktitle = {19th Annual Symposium of the Belgian Hospital Physicists Association}, year = {2004}, month = {January}, author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman} }