@misc{helmholz_investigation_of_1999, 
author={Helmholz, H., Witt, S., Lindequist, U.},
title={Investigation of immunmodulatory effects of marine fungi},
year={1999},
howpublished = {conference lecture: Greifswald (D);},
note = {Helmholz, H.; Witt, S.; Lindequist, U.: Investigation of immunmodulatory effects of marine fungi. Symposium Marine Biotechnologie und Biosensorik, Neue Anwendungen fuer Medizin, Umwelt und Ernaehrung. Greifswald (D), 1999.}}