Content Provider
Aarhus University: Research
28
Norsk Polarinstitutt: Brage NP
16
Norwegian Polar Institute: Brage NP
15
Biodiversity Heritage Library (BHL)
10
WikiBooks - Open-content textbooks
10
Unknown
9
norden (Nordic Council of Ministers): Publications (DiVA)
8
Technical University of Denmark: DTU Orbit
7
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
6
University of Copenhagen: Research
6
Springer Nature
4
Aalborg University's Research Portal
3
University of Groningen research database
3
University of Southampton: e-Prints Soton
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
CNR Solar (Scientific Open-access Literature Archive and Repository - National Research Council)
2
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
2
IRUA - Institutional Repository van de Universiteit Antwerpen
2
JSTOR
2
RePEc (Research Papers in Economics)
2
UQAM - Université du Québec à Montréal: archipel
2
Université de Nantes: HAL-UNIV-NANTES
2
Uppsala University: Publications (DiVA)
2
Bath Spa University: ResearchSPAce
1
Biblioteca Digital AECID (BIDA, Agencia Española de Cooperación Internacional para el Desarrollo)
1
CGIAR CGSpace (Consultative Group on International Agricultural Research)
1
Cambridge University Press
1
De Gruyter
1
EPHE (Ecole pratique des hautes études, Paris): HAL
1
Fiskeridirektoratet (Brage FISK)
1
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources)
1
GEO-LEOe-docs (FID GEO)
1
HAL - Université de La Rochelle
1
ICRISAT (International Crops Research Institute for the Semi-Arid Tropics): Open Access Repository
1
IIASA DARE (Data Repository of the International Institute of Applied Systems Analysis)
1
IIASA PURE (International Institute of Applied Systems Analysis: PUblications REpository)
1
JSTOR (via Crossref)
1
KITopen (Karlsruhe Institute of Technologie)
1
Normandie Université: HAL
1
Ohio State University (OSU): Knowledge Bank
1
OpenAgrar (OA)
1
Oxford University Press (via Crossref)
1
PUB - Publications at Bielefeld University
1
Pensoft Publishers
1
Publikationsdatenbank der Fraunhofer-Gesellschaft
1
Roskilde University Research Portal (RUC)
1
SAGE Publications (via Crossref)
1
The Open University: Open Research Online (ORO)
1
The Repository of the University of Silesia (RE-BUŚ)
1
University of Cambridge, Department of Earth Sciences: ESC Publications
1
more ...