@misc{schroeder_a_hydraulic_1988, author={Schroeder, F.,Knauth, H.-D.}, title={A hydraulic sediment corer}, year={1988}, howpublished = {conference lecture: Scheveningen (NL); September 6-8, 1988}, note = {Online available at: \url{} (DOI). Schroeder, F.; Knauth, H.: A hydraulic sediment corer. 1st EUROMAR Technology Market. Scheveningen (NL), 1988.}}