Collection
Springer Book Archives -2004
246
Springer eBooks 2005-
216
Directory of Open Access Books
67
Elsevier ScienceDirect eBooks
10
Cambridge Books Online
8
OAPEN
4
National Center for Biotechnology Information
3
Wiley Online Books
3
ACS Advances in Chemistry
2
ACS Symposium Series
2
Elsevier eBook collection Mathematics
1
JSTOR Open Access Books
1