Content Provider
Akademicka Platforma Czasopism
1
Akademicka Platforma Czasopism (APCZ)
1
Apollo - University of Cambridge Repository
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Bournemouth University Research Online (BURO)
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
5
Copernicus Publications: E-Journals
1
Croatian Digital Theses Repository (National and University Library in Zagreb)
1
CyberLeninka (Scientific Electronic Library)
1
DataCite Metadata Store (German National Library of Science and Technology)
7,224
David Rumsey Historical Map Collection (Cartography Associates)
1
Digital Commons @ East Tennessee State University
1
Directory of Open Access Journals: DOAJ Articles
4
Elbląg Digital Library
1
Emerald
1
Erciyes University Research Information System
1
Frankfurt/Main University Library: Digitale Sammlungen
1
GEO-LEOe-docs (FID GEO)
1
Institut national des sciences de l'Univers: HAL-INSU
1
King Abdullah University of Science and Technology: KAUST Repository
1
MDPI Open Access Publishing
1
NOAA NCEI Environmental Data Archive (via DataONE)
2
NTNU Open Archive (Norwegian University of Science and Technology)
1
Niedersächsisches Online-Archiv NOA
1
North Dakota State University (NDSU): Digital Horizons
1
Oslo National Academy of the Arts: Open Archive
1
Pensoft Publishers
1
PubMed Central (PMC)
1
Publication Server of Goethe University Frankfurt am Main
4
Research Data Australia (Australian National Data Service - ANDS)
2
SFU Digitized Collections (Simon Fraser University)
1
Share it - Open Access und Forschungsdaten-Repositorium der Hochschulbibliotheken in Sachsen-Anhalt
2
The University of Dublin, Trinity College: TARA (Trinity's Access to Research Archive)
3
The digital State Library of Upper Austria (oö)
3
Theseus.fi (Open Repository of the Universities of Applied Sciences)
1
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
University of Copenhagen: Research
1
University of Groningen research database
1
University of Lodz Repository (RUŁ)
1
University of Nebraska-Lincoln: DigitalCommons@UNL
1
University of Potsdam: publish.UP
1
University of Tartu: Dspace
1
University of Tromsø: Munin Open Research Archive
1
Universität Osnabrück: osnaDocs
1
Université de Nantes: HAL-UNIV-NANTES
1
Unknown
4
Wiley Online Library
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1