21
published 2005
Kostenfrei, Verlag
EZB
Electronic Journal
22
published 2004
Book
23
published 2004
Kostenfrei, Verlag
DBIS
Electronic Resource (Remote Access) Website
25
published 2000
Kostenfrei, Verlag ; 1999 - 2000; 2001; 2003 - 2009
EZB
Electronic Journal
26
published 1996
Kostenfrei, Verlag
EZB
Electronic Serial
27
28
by Maiworm, Friedhelm
published 2017
Kostenfrei, Verlag
E-Book