@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 = {Hagner, C.: Historical Review of European Gasoline Lead Content Regulations and Their Impact on German Industrial Markets. GKSS 99-E-30. 1999.}}