2
Cover Image Book
by Dienel, Peter C. (Author), Frankfurt a.M.: Lang (Verlag), 1984, V, 178 S., Lit.
Other Authors: '; ...Friedrich, Thomas...
Availability
3
Cover Image Article
by Platen, Petra (Author),
Published in Handbuch eLearning, Münster: Hofmann (Verlag), 2005, S. 317-335, Lit.
Other Authors: '; ...Friedrich, Thomas...
Availability
4
Cover Image Internet
by Buddensieg, Marc-Peter (Author),
Other Authors: '; ...Friedrich, Thomas...