41
42
43
BIT online, 14 (2011) SH1, S. 62-65
OpenAccess 
44
Holzke, C.
2011
B.I.T.-Online, 14 (2011) SH 1, S. 57-61
OpenAccess 
45
46
47
48
Hinz, W.
2011
B.I.T.-Online, 14 (2011) SH 1, S. 37-40
OpenAccess 
49
50
51
52
53
54