Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
3,690
DataCite Metadata Store (German National Library of Science and Technology)
3,611
Institut national de la recherche scientifique, Québec: Espace INRS
13
Publication Server of Greifswald University
12
Directory of Open Access Journals: DOAJ Articles
8
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
5
Repositório Institucional da UFJF (Ri-UFJF, Universidade Federal De Juiz De Fora)
5
OPUS FAU - Online publication system of Friedrich-Alexander-Universität Erlangen-Nürnberg
4
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
University of Debrecen Electronic Archive (DEA)
2
Università degli Studi di Bari Aldo Moro: CINECA IRIS
2
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
Bartin University: DSpace@Bartin
1
Croatian Digital Theses Repository (National and University Library in Zagreb)
1
Federation of Finnish Learned Societies: Scientific Journals Online
1
Hrčak - Portal of scientific journals of Croatia
1
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
1
Sapienza Università di Roma: CINECA IRIS
1
University of Tromsø: Septentrio Academic Publishing
1
University of Western Sydney (UWS): Research Direct
1
Università degli Studi di Trento: CINECA IRIS
1
Università degli studi di Torino: AperTo (Archivio Istituzionale ad Accesso Aperto)
1