1. K. Müller, G. Laub, 1st Fit to Drive Congress, Berlin, The Medical Psychological Assessment: An Opportunity for the Individual, Safety for the General Public, 2006. Available at: http://www.fit-to-drive.com/2006/downloads/Mueller_Laub.pdf.
2. B. Krohn, 1st Fit to Drive Congress, Berlin, Courses for the re-establishment of fitness to drive with legal consequences, 2006. Available at: http://www.fit-to-drive.com/2006/downloads/Krohn_Fitness_to_Drive.pdf.
3. Re-granting of Driving Licences and Medico-Psychological Assessment of Drivers in Germany and Selected European Countries. Road Traffic and Drugs;Nickel,2000
4. Beurteilungskriterien: Urteilsbildung in der Medizinisch-Psychologischen Fahreignungsdiagnostik (German Driving Licence Re-granting Guidelines);Schubert,2009
5. R. Agius, T. Nadulski, C. Moore, Validation of LUCIO®-Direct-ELISA kits for the detection of drugs of abuse in urine: application to the new German driving licence re-granting guidelines, Forensic Sci. Int., doi:10.1016/j.forsciint.2011.10.034.