Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
53
Unknown
16
Wiley Online Library
3
Canadian Science Publishing
2
Digital.CSIC (Spanish National Research Council)
2
Directory of Open Access Journals: DOAJ Articles
2
Ege University Institutional Repository
2
PubMed Central (PMC)
2
Theses Canada/Thèses Canada (Library and Archives Canada)
2
University of British Columbia: cIRcle - UBC's Information Repository
2
University of Victoria (Canada): UVicDSpace
2
VIURRSpace (Royal Roads University and Vancouver Island University)
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
BioMed Central
1
Canadian Science Publishing (via Crossref)
1
DSpace @ SEAFDEC/AQD (Southeast Asian Fisheries Development Center, Aquaculture Department Institutional Repository - SAIR)
1
DSpace@SEAFDEC/AQD (Southeast Asian Fisheries Development Center, Aquaculture Department)
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
DergiPark Akademik (E-Journals)
1
Dryad Digital Repository (Duke University)
1
OpenAgrar (OA)
1
Queen's University Belfast Research Portal
1
Repositorio Digital Conicyt RI 2.0 (Comisión Nacional de Investigación Científica y Tecnológica)
1
Royal Roads University: DSpace @ RRU
1
ScienceDirect (Elsevier - via Crossref)
1
ScienceDirect (Elsevier)
1
Springer Nature (via Crossref)
1
TÜBİTAK Academic Journals
1
University of Alaska: ScholarWorks@UA
1
University of Alberta: Era - Education and Research Archive
1
University of Nebraska-Lincoln: DigitalCommons@UNL
1
University of Toronto: Research Repository T-Space
1
Vancouver Island University: Viuspace
1
Western Washington University: CEDAR (Contributing to Education through Digital Access to Research)
1
Wiley Online Library (via Crossref)
1