Content Provider
Unknown
22
Directory of Open Access Journals: DOAJ Articles
14
University of Calgary Journal Hosting
13
DataCite Metadata Store (German National Library of Science and Technology)
11
Wiley Online Library
7
Canadian Science Publishing (via Crossref)
6
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
5
BioOne Online Journals
4
Institut national des sciences de l'Univers: HAL-INSU
4
PubMed Central (PMC)
4
Theses Canada/Thèses Canada (Library and Archives Canada)
4
Université de Nantes: HAL-UNIV-NANTES
4
Canadian Science Publishing
3
Niedersächsisches Online-Archiv NOA
3
Cambridge University Press
2
Cambridge University Press (via Crossref)
2
Copernicus Publications: E-Journals
2
DataCite
2
Institut national de la recherche scientifique, Québec: Espace INRS
2
MDPI Open Access Publishing
2
MSpace at the University of Manitoba
2
PANGAEA - Data Publisher for Earth & Environmental Science
2
Queen's University, Ontario: QSpace
2
Saint Mary's University, Halifax: Institutional Repository
2
Springer Nature (via Crossref)
2
UNESDOC - UNESCO Digital Library
2
University of Groningen research database
2
University of Southampton: e-Prints Soton
2
Université Laval: CorpusUL
2
uO Research (University of Ottawa - uOttawa)
2
Aarhus University: OJS at The State and University Library
1
Aarhus University: Research
1
Apollo - University of Cambridge Repository
1
BioMed Central
1
Cologne University: KUPS
1
Defense Technical Information Center: DTIC Technical Reports database
1
HELDA – University of Helsinki Open Repository
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
HighWire Press (Stanford University)
1
Magnolia press
1
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
1
Norwegian Institute for Nature Research: Brage NINA
1
PeerJ Publishing
1
Queen's University Belfast Research Portal
1
ScienceDirect (Elsevier - via Crossref)
1
Texas Tech University: TTU DSpace Repository
1
The Canadian Field-Naturalist (E-Journal)
1
The University of Milan: Archivio Istituzionale della Ricerca (AIR)
1
Tidsskrift.dk (The Royal Library, Denmark)
1
Universidade de Lisboa: repositório.UL
1
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