1. International Laboratory Accreditation Cooperation (ILAC) brochure: Benefits for laboratories participating in Proficiency Testing Programs.
2. http://www.gednap.org.
3. http://www.gep-isfg.org.
4. Quality exercise in disaster victim identification;Immel;Forensic Sci. Int.,2015
5. DNA-Analyselabor-Verordnung EJPD (federal department of justice and police) 363.11.