Collection
Springer eBooks 2005-
289
Springer Book Archives -2004
139
Directory of Open Access Books
31
Cambridge Books Online
21
Lecture Notes in Physics
11
Springer Lecture Notes Archiv 1964-1996
6
Oxford University Press
4
DeGruyter MPG Collection
3
O'Reilly
2
Elsevier ScienceDirect eBooks
1
Elsevier eBook collection Mathematics
1
JSTOR Open Access Books
1
National Center for Biotechnology Information
1