Federal Office for Radiation Protection (BfS),
Ressortforschungsberichte zur kerntechnischen Sicherheit und zum Strahlenschutz, BfS-RESFOR-104/15: 1-56
2004,
Mi Y, Sun C, Yao C, Xiong L, Liao R, Hu Y, Hu L
The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Francisco, CA, USA. IEEE: 5005-5008; ISBN 978-0-7803-8439-2
2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Istanbul, Turkey. volume 4; IEEE: 3913-3916; ISBN 978-0-7803-7211-5