@misc{onken_assimilation_of_2008, 
author={Onken, R., Petersen, W.},
title={Assimilation of FerryBox data in a circulation model of the North Sea},
year={2008},
howpublished = {conference lecture: Wien (A);},
note = {Onken, R.; Petersen, W.: Assimilation of FerryBox data in a circulation model of the North Sea. EGU General Assembly 2008. Wien (A), 2008.}}