@misc{lehner_wind_field_2003, 
author={Lehner, S.,Horstmann, J.,Schneiderhan, T.,Koch, W.},
title={Wind field retrieval from SAR},
year={2003},
howpublished = {conference lecture: Varna (BG); 13.-18.10.2003},
note = {Online available at: \url{} (DOI). Lehner, S.; Horstmann, J.; Schneiderhan, T.; Koch, W.: Wind field retrieval from SAR. Scientific and Policy Challenges Towards an Effective Management of the Marine Environment. Varna (BG), 2003.}}