@misc{bernem_conceptual_models_2001, 
author={Bernem, K.-H.van},
title={Conceptual Models for Ecology-Related Decisions},
year={2001},
howpublished = {conference lecture: Lauenburg (D);},
note = {Bernem, K.: Conceptual Models for Ecology-Related Decisions. Second GKSS School on Environmental Research 'Models in Environmental Research'. Lauenburg (D), 2001.}}