1
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3
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BIT online, 14 (2011) SH1, S. 62-65
OpenAccess 
16
Holzke, C.
2011
B.I.T.-Online, 14 (2011) SH 1, S. 57-61
OpenAccess 
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Hinz, W.
2011
B.I.T.-Online, 14 (2011) SH 1, S. 37-40
OpenAccess