@misc{sturm09self,
    author     =     {Jan-Georg Smaus and Malte Helmert and Stefan W\"{o}lfl and Michael Brenner and Robert Mattm\"{u}ller and Gabriele R\"{o}ger and J\"{u}rgen Sturm and Bernhard Nebel},
    title     =     {Seminar: Self-Reference},
    year = {2009},
	comment = {University of Freiburg, Germany},
	url = {http://www2.informatik.uni-freiburg.de/~ki/teaching/ss09/selfrefsem/topics_de.html}
}