Content Provider
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
41
Cambridge University Press
32
Directory of Open Access Journals: DOAJ Articles
22
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
15
Unknown
14
National Institute of Polar Research Repository, Japan
8
Natural Environment Research Council: NERC Open Research Archive
8
PubMed Central (PMC)
8
Swedish Museum of Natural History: Publications (DiVA)
8
RID-UnRN - Repositorio Institucional Digital Universidad Nacional de Río Negro
6
DataCite Metadata Store (German National Library of Science and Technology)
5
PANGAEA - Data Publisher for Earth & Environmental Science
4
ScienceDirect (Elsevier - via Crossref)
4
Arctic Portal Library
3
Geological Quarterly
3
Springer Nature (via Crossref)
3
Universidad de Chile: Repositorio académico
3
Caltech Authors (California Institute of Technology)
2
NIOZ Repository (Royal Netherlands Institute for Sea Research)
2
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
2
OhioLINK: Electronic Theses and Dissertations Center
2
The Royal Society (via Crossref)
2
University of Bristol: Bristol Research
2
University of Freiburg: FreiDok
2
White Rose eTheses Online (Universities Leeds, Sheffield, York)
2
Archive de l'Observatoire de Paris (HAL)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Cambridge University Press (via Crossref)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
DSpace@MIT (Massachusetts Institute of Technology)
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
Florida State University Digital Library (FSUDL)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
HighWire Press (Stanford University)
1
Informa (via Crossref)
1
Institut national des sciences de l'Univers: HAL-INSU
1
Journals at the University of Arizona
1
MDPI Open Access Publishing
1
Masaryk University Journals
1
Monash University Research Portal
1
Opin vísindi (Iceland)
1
PeerJ Publishing (via CrossRef)
1
Polar Research (E-Journal)
1
Portail HAL-ANR (Agence Nationale de la Recherche)
1
Queen's University Belfast Research Portal
1
RERO DOC Digital Library
1
ScienceDirect (Elsevier)
1
TU Delft: Institutional Repository (Delft University of Technology)
1
The Scholarship Repository of Florida Institute of Technology
1
University College London: UCL Discovery
1
more ...