@misc{colijn_background_and_2002, 
author={Colijn, F.},
title={Background and Direction of Monitoring},
year={2002},
howpublished = {conference lecture (invited): Warnemuende (D);},
note = {Colijn, F.: Background and Direction of Monitoring. Summerschool, Institut fuer Ostseeforschung. Warnemuende (D), 2002.}}