@misc{laine_lowfrequency_evolution_1999, 
author={Laine, A., Zorita, E.},
title={Low-frequency evolution of hydrographic variables in the Baltic Sea and its relationship to the atmospheric circulation},
year={1999},
howpublished = {GKSS report},
note = {Laine, A.; Zorita, E.: Low-frequency evolution of hydrographic variables in the Baltic Sea and its relationship to the atmospheric circulation. GKSS 99-E-14. 1999.}}