Content Provider
Directory of Open Access Journals: DOAJ Articles
7
Wiley Online Library
3
Springer Nature (via Crossref)
2
Unknown
2
Akademicka Platforma Czasopism
1
Akademicka Platforma Czasopism (APCZ)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
BIROn - Birkbeck Institutional Research Online (Birkbeck University of London)
1
Cambridge University Press
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
De Gruyter (via Crossref)
1
ETH Zürich Research Collection
1
GEO-LEOe-docs (FID GEO)
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
Imperial College London: Spiral
1
KTU ePubl (Kaunas University of Technology)
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
Niedersächsisches Online-Archiv NOA
1
ORA - Oxford University Research Archive
1
PUBLISSO Fachrepositorium Lebenswissenschaften (ZB MED)
1
Polar Research (E-Journal)
1
RWTH Aachen University: RWTH Publications
1
Saint Petersburg State University: Research Repository (DSpace SPbU)
1
ScienceDirect (Elsevier - via Crossref)
1
Swedish Museum of Natural History: Publications (DiVA)
1
The Repository of the University of Silesia (RE-BUŚ)
1
University College London: UCL Discovery
1
University of Potsdam: publish.UP
1
Université Toulouse III - Paul Sabatier: HAL-UPS
1
Université de Nantes: HAL-UNIV-NANTES
1
Vanderbilt University, Nashville: DiscoverArchive
1