1
published 2012
Journal
2
published 2006
Kostenfrei, Verlag
DBIS
Computer Carrier Database
3
published 2005
Journal
4
published 2004
Frontdoor-Url
Kostenfrei, Verlag
Kostenfrei, Verlag
Computer Carrier Database
5
published 2002
CD-ROM
6
published 2000
CD-ROM
7
published 2000
CD-ROM
9
published 1994
CD-ROM
10
published 1992
Journal
11
published 1992
Journal
13
published 1991
Journal
14
15
published 1989
Journal
16
published 1989
Journal
17
published 1989
Journal
18
published 1988
Journal
19
published 1983
Journal
20
published 1969
Journal