Colas Schretter Christoph Neukirchen Matthias Bertram Georg Rose Correction of some time-dependent deformations in parallel-beam computed tomography. 764-767 2008 ISBI http://dx.doi.org/10.1109/ISBI.2008.4541108 conf/isbi/2008 db/conf/isbi/isbi2008.html#SchretterNBR08