Database
Springer Complete eBooks
23
EBSCOhost Ebook Collection
22
Proquest Ebook Central Academic Complete
20
Springer e-books
8
Books at JSTOR
3
EBSCO Open Access Journals
3
Environment Complete
3
Oxford Scholarship Online
2
Springer Nature Complete Journals
2
DOAJ: Directory of Open Access Journals
1
JSTOR Life Sciences Archive Collection
1
Springer eBooks
1
SpringerLink Journals Fully Open Access
1