@misc{sivakumaran_permanent_measurement_1991, 
author={Sivakumaran, K.,Fanger, H.-U.,Kappenberg, J.},
title={Permanent measurement stations in estuaries and determination of suspended particulate matter},
year={1991},
howpublished = {conference lecture: San Francisco, CA (USA); November 10-14, 1991},
note = {Online available at: \url{} (DOI). Sivakumaran, K.; Fanger, H.; Kappenberg, J.: Permanent measurement stations in estuaries and determination of suspended particulate matter. 11th Biennal International Conference of the Estuarine Research Federation. San Francisco, CA (USA), 1991.}}