@booklet {RicKor-KJ2-2002,
	title = {Kalenderblatt {Juni} 2002},
	year = {2002},
	note = {MathInsight 2000, Springer-Verlag, Heidelberg.},
	publisher = {Springer-Verlag},
	keywords = {sonstige},
	author = {Richter-Gebert, J{\"u}rgen and Kortenkamp, Ulrich}
}
