Collection
Springer eBooks 2005-
1,143
Springer Book Archives -2004
747
Standards and Norms (DIN Media)
76
O'Reilly
39
Cambridge Books Online
10
Elsevier ScienceDirect eBooks
6
Editoria Italiana Online
2
MIT Press eBook Archive
2
Oxford University Press
2
Bundesanzeiger Vergabeportal
1
DeGruyter MPG Collection
1
Elsevier eBook collection Mathematics
1
Emerald Business, Management and Economics eBook Collection Archive
1
Wiley Online Books
1