@inbook { 6073,
	title = {Lehrpersonal und Lernmedien in der EDV-Weiterbil-dung},
	booktitle = {Computerlernen und Autorensysteme},
	year = {1989},
	pages = {138-158},
	publisher = {Hogrefe},
	organization = {Hogrefe},
	address = {G{\"o}ttingen},
	author = {Michael Kerres},
	editor = {K{\"u}ffner, H. and Seidel, C.}
}
