Content Provider
University of Calgary Journal Hosting
187
Directory of Open Access Journals: DOAJ Articles
177
Canadian Science Publishing (via Crossref)
153
Wiley Online Library
99
ScienceDirect (Elsevier - via Crossref)
90
Unknown
87
Cambridge University Press
83
Springer Nature (via Crossref)
72
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
52
Canadian Science Publishing
43
Niedersächsisches Online-Archiv NOA
42
DataCite Metadata Store (German National Library of Science and Technology)
32
Informa (via Crossref)
29
Cambridge University Press (via Crossref)
26
Université de Nantes: HAL-UNIV-NANTES
26
Institut national des sciences de l'Univers: HAL-INSU
22
AAAS Resource Center (American Association for the Advancement of Science)
21
ScienceDirect (Elsevier)
20
LeibnizOpen (The Leibniz Association)
19
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
19
University of New Brunswick: Centre for Digital Scholarship Journals
19
Wiley Online Library (via Crossref)
18
The Canadian Field-Naturalist (E-Journal)
17
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
16
University of Tromsø: Septentrio Academic Publishing
15
University of Bristol: Bristol Research
13
Carleton University's Institutional Repository
11
Informa
11
SAGE Publications (via Crossref)
11
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
10
University of Cambridge, Department of Earth Sciences: ESC Publications
10
AAAS Resource Center (American Association for the Advancement of Science - via Crossref)
9
Aarhus University: Research
9
Max Planck Society: MPG.PuRe
9
University of Alberta: Era - Education and Research Archive
9
University of Copenhagen: Research
9
University of Groningen research database
9
MSpace at the University of Manitoba
8
Natural Environment Research Council: NERC Open Research Archive
8
Apollo - University of Cambridge Repository
7
Institut national de la recherche scientifique, Québec: Espace INRS
7
Oxford University Press (via Crossref)
7
University College London: UCL Discovery
7
University of California Press (via Crossref)
7
White Rose Research Online (Universities of Leeds, Sheffield & York)
7
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
7
York University, Toronto: YorkSpace
7
Archive Ouverte de l'Université Rennes (HAL)
6
Digital.CSIC (Spanish National Research Council)
6
The Royal Society
6
more ...