@misc{riethmueller_watis_an_1990, 
author={Riethmueller, R.,Lisken, A.,Bernem, K.-H.van,Krasemann, H. L.,Mueller, A.,Patzig, S.},
title={WATiS: an information system for wadden sea research and management},
year={1990},
howpublished = {conference paper,conference lecture: Wien (A); 19.-21.09.1990},
note = {Online available at: \url{} (DOI). Riethmueller, R.; Lisken, A.; Bernem, K.; Krasemann, H.; Mueller, A.; Patzig, S.: WATiS: an information system for wadden sea research and management. In: Pillmann, W.; Jaeschke, A. (Ed.): Informatik fuer den Umweltschutz: 5. Symposium. Wien (A). 1990. 73-81.}}