@misc{storch_empirical_modal_1998, 
author={Storch, H.v.,Frankignoul, C.},
title={Empirical modal decomposition in coastal oceanography},
year={1998},
howpublished = {book part,GKSS report},
note = {Online available at: \url{} (DOI). Storch, H.; Frankignoul, C.: Empirical modal decomposition in coastal oceanography. In: Brink, K.; Robinson, A. (Ed.): The Sea. New York: Wiley. 1998. 419-455.}}