@misc{bernem_watis__1988, 
author={Bernem, K.-H.van,Krasemann, H.L.,Mueller, A.,Riethmueller, R.},
title={WATiS – an ecologically orientated information system for the German Wadden Sea},
year={1988},
howpublished = {conference lecture: List / Sylt (D); 31.10.-04.11.1988},
note = {Online available at: \url{} (DOI). Bernem, K.; Krasemann, H.; Mueller, A.; Riethmueller, R.: WATiS – an ecologically orientated information system for the German Wadden Sea. 6th International Wadden Sea Symposium. List / Sylt (D), 1988.}}