%0 conference lecture
%@ 
%A Bernem, K.-H.van,Krasemann, H.L.,Lisken, A.,Mueller, A.,Patzig, S.,Riethmueller, R.
%D 1989
%J 5th European Ecology Symposium: Antropogenic perturbations of ecological systems: the need to transfer from principles to applications
%N 
%P  

%T WATiS – an information system for the German Wadden Sea
%U 
 
%X