Content Provider
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Opin vísindi (Iceland)
7
IEEE Publications (via Crossref)
6
Longwoods Publishing (via Crossref)
6
Mary Ann Liebert, Inc., publishers (via Crossref)
6
AMA
5
ASM Journals (American Society for Microbiology - via Crossref)
5
Brill
5
Inderscience Publishers (via Crossref)
5
NIST Publications (National Institute of Standards and Technology - via Crossref)
5
SciPress (via Crossref)
5
The Royal Society (via Crossref)
5
Utrecht University Repository
5
APA Publishing (American Psychological Association)
4
IOP Publishing (via Crossref)
4
Indiana University Press (via Crossref)
4
Mary Ann Liebert, Inc., publishers
4
Scandinavian University Press
4
Schweizerbart Science Publishers
4
University of Liège: ORBi (Open Repository and Bibliography)
4
University of Stirling: Stirling Digital Research Repository
4
ACS Publications
3
Aberdeen University Research Archive (AURA)
3
Brepols Publishers (via Crossref)
3
Edinburgh Napier Repository (Napier University Edinburgh)
3
Ovid
3
Sciendo (de Gruyter - via CrossRef)
3
The British Academy (via Crossref)
3
United Nations Publications (via Crossref)
3
University of Nottingham: Repository@Nottingham
3
transcript Verlag (via CrossRef)
3
AMPCo (Australasian Medical Publishing Company)
2
Caltech Authors (California Institute of Technology)
2
College Publishing (via Crossref)
2
DIAL@UCLouvain (Université catholique de Louvain)
2
DIAL@USL-B (Université Saint-Louis, Bruxelles)
2
Hans Publishers
2
PUBLISSO Fachrepositorium Lebenswissenschaften (ZB MED)
2
Springer Nature
2
The Royal Society
2
University Press of Florida (via Crossref)
2
University of California Press
2
WIT Press (via Crossref)
2
Wageningen Academic Publishers (via Crossref)
2
eLife (E-Journal - via Crossref)
2
AAAS Resource Center (American Association for the Advancement of Science)
1
APS Publications (American Physical Society)
1
Bentham Science Publishers
1
Bristol University Press and Policy Press (via Crossref)
1
Cardiff University Press (via Crossref)
1
De Gruyter
1
more ...