@misc{chrastansky_retrospective_investigation_2007, 
author={Chrastansky, A.},
title={Retrospective Investigation of chronic oil pollution in the southern North Sea},
year={2007},
howpublished = {conference lecture: Houston, TX (USA); 06.-09.08.2007},
note = {Online available at: \url{} (DOI). Chrastansky, A.: Retrospective Investigation of chronic oil pollution in the southern North Sea. 3rd International Conference on Environmental Science and Technology. Houston, TX (USA), 2007.}}