Content Provider
LeibnizOpen (The Leibniz Association)
20
Unknown
8
PubMed Central (PMC)
4
Directory of Open Access Journals: DOAJ Articles
3
Max Planck Society: MPG.PuRe
3
Saint Petersburg State University: Research Repository (DSpace SPbU)
3
Wiley Online Library
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Université de Nantes: HAL-UNIV-NANTES
2
Archives ouvertes de Paris-Saclay
1
BioOne Online Journals
1
Cambridge University Press
1
Canadian Science Publishing
1
DataCite Metadata Store (German National Library of Science and Technology)
1
ETH Zürich Research Collection
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
Hacettepe University Research Information System
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
Informa
1
Institut national des sciences de l'Univers: HAL-INSU
1
Magnolia press
1
NORA (National aggregator of open repositories of Russian universities)
1
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
SAGE Publications
1
Sapienza Università di Roma: CINECA IRIS
1
Thieme
1
Tomsk State University Research Library
1
University of Alaska: ScholarWorks@UA
1
University of Bergen: Bergen Open Research Archive (BORA-UiB)
1
Université de Bourgogne (UB): HAL
1
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
1
Érudit.org (Université Montréal)
1