Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
90
ArXiv.org (Cornell University Library)
57
KITopen (Karlsruhe Institute of Technologie)
34
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
18
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
18
Ghent University Academic Bibliography
13
DESY Publication Database (PUBDB)
11
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
5
Université de Nantes: HAL-UNIV-NANTES
4
Uppsala University: Publications (DiVA)
4
Unknown
3
Eldorado - Repositorium der TU Dortmund
2
OPUS FAU - Online publication system of Friedrich-Alexander-Universität Erlangen-Nürnberg
2
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
2
Cambridge University Press
1
DSpace@MIT (Massachusetts Institute of Technology)
1
PubMed Central (PMC)
1
RWTH Aachen University: RWTH Publications
1
University of Nebraska-Lincoln: DigitalCommons@UNL
1
Università degli Studi di Bari Aldo Moro: CINECA IRIS
1