@misc{sivakumaran_design_methods_1991, 
author={Sivakumaran, K.},
title={Design methods for water quality monitoring in estuaries},
year={1991},
howpublished = {conference lecture: Manchester (GB); 23.-26.04.1991},
note = {Online available at: \url{} (DOI). Sivakumaran, K.: Design methods for water quality monitoring in estuaries. Urban Waterside Regeneration: International Conference and Exhibition. Manchester (GB), 1991.}}