@misc{sivakumaran_estuarine_suspended_1991, 
author={Sivakumaran, K.,Fanger, H.-U.,Kappenberg, J.},
title={Estuarine suspended matter: optimization of turbidity based estimation},
year={1991},
howpublished = {conference lecture: Reno, NV (USA); 1991},
note = {Online available at: \url{} (DOI). Sivakumaran, K.; Fanger, H.; Kappenberg, J.: Estuarine suspended matter: optimization of turbidity based estimation. American Society of Civil Engineers: 1991 ASCE National Conference on Environmental Engineering. Reno, NV (USA), 1991.}}