@Manual{dbt_mods_00007030,
  author = 	{Steyer Prof. Dr., Rolf},
  title = 	{Methoden der Evaluationsforschung (5)},
  year = 	{2006},
  month = 	{Nov},
  day = 	{21},
  url = 	{https://www.db-thueringen.de/receive/dbt_mods_00007030},
  file = 	{:https://www.db-thueringen.de/servlets/MCRZipServlet/dbt_derivate_00010147:TYPE},
  language = 	{de}
}