2
7
published 2007
...Pfeiffer, Christian...
Kostenfrei, Verlag
E-Book
8
published 1999
...Pfeiffer, Christian...
Conference Proceedings Special Print Book
9
by Pfeiffer, Christian
Published in PERSONALquarterly (2018)
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E-Article
12
by Pfeiffer, Christian
Published in Emma (2002)
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E-Article
13
14
by Pfeiffer, Christian, Werz, Nikolaus
published 2015
...Pfeiffer, Christian...
Kostenfrei
E-Book
15
...Pfeiffer, Christian...
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E-Book
20
by Baier, Dirk, Pfeiffer, Christian
published 2007
...Pfeiffer, Christian...
Kostenfrei
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