@inbook { 5949,
	title = {E-Learning. Didaktische Konzepte f{\"u}r erfolgreiches Lernen},
	booktitle = {Jahrbuch Personalentwicklung \& Weiterbildung},
	year = {2002},
	publisher = {Luchterhand},
	organization = {Luchterhand},
	address = {K{\"o}ln},
	author = {Michael Kerres and de Witt, Claudia and Stratmann, J{\"o}rg},
	editor = {Schwuchow, Karlheinz and Guttmann, Joachim}
}
