@article {733,
	title = {The Computers as "an exercise and repetition" medium in mathematics lessons: Educational Effectiveness of Tablet PCs},
	journal = {ZDM Mathematics Education},
	volume = {37},
	year = {2005},
	month = {Oktober},
	pages = {379-394},
	author = {Kittel, Andreas and Beckmann, Astrid and Hole, Volker and Ladel, Silke}
}
