@article{P107.061,
author={Staelens, Steven and de Wit, Tim and Beekman, Freek},
title={Fast hybrid SPECT simulation including efficient septal penetration modelling (SP-PSF)},
journal={Physics in Medicine and Biology},
year={2007},
month={6},
volume={52},
number={11},
pages={3027-3043},
publisher={IOP Publishing},
}