1. http://www.its-leif.org
2. http://www.esrf.eu/Acceleratiors/Groups/InsertionDevices/Software/Radia
3. http://www.wolfram.com/products/mathematica/index.html
4. O. Delferriere and O. Tuske , Internal CEA report, DAPNIA-05-317 (2005) (unpublished).
5. OPERA-3D/TOSCA reference manual, Vector-Fields Ltd, Oxford, UK.