Content Provider
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Università degli Studi di Genova: CINECA IRIS
423
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
418
HighWire Press (Stanford University)
404
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
404
University of Michigan: Digital Collections
400
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
392
Université Savoie Mont Blanc: HAL
384
LSU Digital Commons (Louisiana State University)
380
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
377
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
370
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
358
Macquarie University Research Portal
356
Caltech Authors (California Institute of Technology)
354
Texas Tech University: TTU DSpace Repository
352
University of Liège: ORBi (Open Repository and Bibliography)
334
ARPI - Archivio della Ricerca dell'Università di Pisa
333
ArXiv.org (Cornell University Library)
333
Frontiers (Publisher)
333
Utrecht University Repository
331
University of Southampton: e-Prints Soton
328
Arctic Portal Library
323
Arctic Data Center (via DataONE)
322
AAAS Resource Center (American Association for the Advancement of Science)
318
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
309
University of Bristol: Bristol Research
307
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
301
The University of Queensland: UQ eSpace
301
Archives ouvertes de Paris-Saclay
290
Institut National de la Recherche Agronomique: ProdINRA
281
Magnolia press
270
German Aerospace Center: elib - DLR electronic library
267
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
265
The University of Adelaide: Digital Library
257
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
250
Oxford University Press (via Crossref)
244
Springer Nature
237
University of Copenhagen: Research
236
Université de Paris: Portail HAL
220
BORIS (Bern Open Repository and Information System, University of Bern)
215
The University of Waikato: Research Commons
211
California State University (CSU): DSpace
210
Ghent University Academic Bibliography
209
Università degli Studi di Ferrara: CINECA IRIS
209
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
206
University College London: UCL Discovery
203
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
202
The University of Maine: DigitalCommons@UMaine
202
University of St Andrews: Research Portal
202
Digital Commons University of South Florida (USF)
201
Northumbria University, Newcastle: Northumbria Research Link (NRL)
195
more ...