@misc{wolff_the_analysis_1999, 
author={Wolff, U.,Seemann, J.,Senet, C.M.,Ziemer, F.},
title={The Analysis of Nautical Radar Signatures Generated by the Submarine Topography},
year={1999},
howpublished = {conference lecture: Hamburg (D); 28.06.-02.07.1999},
note = {Online available at: \url{} (DOI). Wolff, U.; Seemann, J.; Senet, C.; Ziemer, F.: The Analysis of Nautical Radar Signatures Generated by the Submarine Topography. IGARSS 99, IEEE International Geoscience and Remote Sensing Symposium 1999. Hamburg (D), 1999.}}