@misc{hagner_historical_review_1999, author={Hagner, C.}, title={Historical Review of European Gasoline Lead Content Regulations and Their Impact on German Industrial Markets}, year={1999}, howpublished = {GKSS report}, note = {Online available at: \url{} (DOI). Hagner, C.: Historical Review of European Gasoline Lead Content Regulations and Their Impact on German Industrial Markets. GKSS 99-E-30. 1999.}}