Content Provider
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Apollo - University of Cambridge Repository
4
Durham University: Durham Research Online
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
HELDA – University of Helsinki Open Repository
4
PubMed Central (PMC)
4
RePEc (Research Papers in Economics)
4
SAGE Publications
4
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
4
Charles University CU Digital repository
3
Ghent University Academic Bibliography
3
HAL Lyon 1 (University Claude Bernard Lyon 1)
3
HAL Sorbonne Université
3
INSA Lyon HAL (Institut National des Sciences Appliquées)
3
Le Mans Université: Archives Ouvertes (HAL)
3
Mount Holyoke College: Digital Collections (DC@MHC)
3
Portail HAL - Ecole Centrale de Lyon
3
Skemman (Iceland)
3
Springer Nature (via Crossref)
3
Stockholm University: Publications (DiVA)
3
University of Glasgow: Enlighten - Publications
3
University of Portsmouth: Portsmouth Research Portal
3
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
3
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
3
Université Toulouse 2 - Jean Jaurès: HAL
3
Université de Lyon: HAL
3
Akademicka Platforma Czasopism
2
Akademicka Platforma Czasopism (APCZ)
2
Arctic and Antarctic Research (E-Journal)
2
Bowdoin College: Bowdoin Digital Commons
2
De Gruyter
2
Defense Technical Information Center: DTIC Technical Reports database
2
Digital Repository of Scientific Institutes (RCIN)
2
Digital.CSIC (Spanish National Research Council)
2
German Aerospace Center: elib - DLR electronic library
2
IRIS Università degli Studi di Perugia
2
IRUA - Institutional Repository van de Universiteit Antwerpen
2
Informa
2
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
2
Lund University Publications (LUP)
2
Masaryk University Journals
2
Munipress - Masaryk University Press
2
Muséum National d'Histoire Naturelle (MNHM): HAL
2
Nicolaus Copernicus University (UMK) Torun: RUM@K
2
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
2
Opin vísindi (Iceland)
2
PUBLISSO Fachrepositorium Lebenswissenschaften (ZB MED)
2
Persée: Portail de revues scientifiques en sciences humaines et sociales
2
Portail HAL-ANR (Agence Nationale de la Recherche)
2
ScienceDirect (Elsevier - via Crossref)
2
University of St Andrews: Digital Research Repository
2
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