Content Provider
Australian National University: ANU Digital Collections
6
Wiley Online Library (via Crossref)
6
ScienceDirect (Elsevier - via Crossref)
5
University of Nebraska-Lincoln: DigitalCommons@UNL
5
Wiley Online Library
5
Utrecht University Repository
4
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Directory of Open Access Journals: DOAJ Articles
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Digital.CSIC (Spanish National Research Council)
1
ETH Zürich Research Collection
1
Edinburgh Research Archive (ERA - University of Edinburgh)
1
Federation University Australia: Federation ResearchOnline
1
HAL Lyon 1 (University Claude Bernard Lyon 1)
1
IEDA: US Antarctic Program Data Center (via DataONE)
1
Informa (via Crossref)
1
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
1
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
1
Philadelphia College of Osteopathic Medicine: DigitalCommons@PCOM
1
Repositorio Digital Institucional - Universidad de Buenos Aires (RDI UBA)
1
Springer Nature (via Crossref)
1
The University of Maine: DigitalCommons@UMaine
1
The University of Queensland: UQ eSpace
1
UNESDOC - UNESCO Digital Library
1
Universidad Andrés Bello: Repositorio Institucional Académico
1
University of Dayton: eCommons
1
Université de Lyon: HAL
1