@misc{knauth_biogeochemical_cycles_1989, 
author={Knauth, H.-D.},
title={Biogeochemical cycles in two major European estuaries: the Shannon and the Elbe},
year={1989},
howpublished = {conference lecture: Paris (F);},
note = {Knauth, H.: Biogeochemical cycles in two major European estuaries: the Shannon and the Elbe. First EROS 2000 Workshop (European River Ocean System). Paris (F), 1989.}}