@conference {detert2004, title = {Pressure fluctuations within subsurface gravel bed caused by turbulent open-channel flow}, booktitle = {Proc. of River Flow 2004}, year = {2004}, pages = {695-701}, publisher = {A. A. Balkema Publishers}, organization = {A. A. Balkema Publishers}, author = {Detert, M. and G. H. Jirka and Markus Jehle and Michael Klar and Bernd J{\"a}hne and H.-J. K{\"o}hler and Wenka, T.} }