Content Provider
Directory of Open Access Journals: DOAJ Articles
6
MDPI Open Access Publishing
3
Archive Ouverte de l'Université Rennes (HAL)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
Boise State University: Scholar Works
2
Frontiers: Figshare
2
INSA Rennes HAL (Institut National des Sciences Appliquées)
2
Institut national des sciences de l'Univers: HAL-INSU
2
The Royal Society: Figshare
2
Université Toulouse III - Paul Sabatier: HAL-UPS
2
Université de Nantes: HAL-UNIV-NANTES
2
Université de Rennes 1: Publications scientifiques (HAL)
2
Unknown
2
Aarhus University: Research
1
Ghent University Academic Bibliography
1
Hemeroteca Científica Catalana (IEC - Institut d'Estudis Catalans)
1
IRIS Università degli Studi di Napoli Federico II
1
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
1
Polar Research
1
SciELO Brazil (Scientific Electronic Library Online)
1
Texas A&M University - Corpus Christi: DSpace Repository
1
The University of Waikato: Research Commons
1
University of Alaska: ScholarWorks@UA
1
University of Groningen research database
1