Content Provider
Directory of Open Access Journals: DOAJ Articles
28
DataCite Metadata Store (German National Library of Science and Technology)
24
Unknown
5
NOAA NCEI Environmental Data Archive (via DataONE)
4
PANGAEA - Data Publisher for Earth & Environmental Science
4
Defense Technical Information Center: DTIC Technical Reports database
3
Stockholm University: Publications (DiVA)
3
UTSA Digital Collections (The University of Texas at San Antonio)
3
ADDI: Repositorio Institucional de la Universidad del País Vasco (UPV)
2
The University of Utah: J. Willard Marriott Digital Library
2
Theseus.fi (Open Repository of the Universities of Applied Sciences)
2
University of Tromsø: Septentrio Academic Publishing
2
ARCIMÍS (Archivo Climatológico y Meteorológico Institucional - AEMET, Agencia Estatal de Meteorología)
1
CDC Stacks (Centers for Disease Control and Prevention)
1
CURATOR - Chiba University Repository for Access to Outcomes from Research
1
Copernicus Publications: E-Journals
1
Digital.CSIC (Spanish National Research Council)
1
ETH Zürich Research Collection
1
Journal Infectology
1
Jultika - University of Oulu repository
1
Norwegian Institute for Nature Research: Brage NINA
1
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
1
Portland Public Library: Digital Commons
1
Red Iberoamericana de Estudios Internacionales: Ribei Biblioteca Digital
1
Rhode Island School of Design: DigitalCommons@RISD
1
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
1
University of Lethbridge Digitized Collections
1
University of Nebraska-Lincoln: DigitalCommons@UNL
1
University of North Texas: UNT Digital Library
1
University of Tromsø: Munin Open Research Archive
1
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
1