1. Hug, T., Gassler, G., Glahn, C.: Integrated micro learning - an outline of the basic method and first results. In: Proceedings of Interactive Computer Aided Learning, pp. 1–7. Kassel Univeristy Press (2004)
2. Hug, T.: Micro Learning and narration. In: Fourth Media and Transition Conference, Cambridge, MA (2005)
3. Dempster, F.N.: Effects of variable encoding and spaced presentations on vocabulary learning. Journal of Educational Psychology 79(2), 162–170 (1987)
4. Tulving, E., Thompson, D.M.: Encoding specificity and retrieval processes in episodic memory. Psychological Review 80(5), 352–373 (1973)
5. Davies, G., Thomson, D.M.: Memory in context: Context in memory, vol. ix, p. 359. J. Wiley, Chichester (1988)