@misc{heyen_detecting_relationships_1998, 
author={Heyen, H.},
title={Detecting relationships between the interannual variability in climate records and ecological time series using a multivariate statistical approach - four case studies for the North Sea region (Dissertation)},
year={1998},
howpublished = {GKSS report},
note = {Heyen, H.: Detecting relationships between the interannual variability in climate records and ecological time series using a multivariate statistical approach - four case studies for the North Sea region (Dissertation). Universitaet Hamburg, FB Geowissenschaften, 1998.}}