Content Provider
Charles University CU Digital repository
25
Geological Quarterly
24
LeibnizOpen (The Leibniz Association)
22
DataCite Metadata Store (German National Library of Science and Technology)
15
Directory of Open Access Journals: DOAJ Articles
8
Digital Repository of Scientific Institutes (RCIN)
4
The Czech Academy of Sciences: Publication Activity (ASEP)
4
Unknown
4
Wiley Online Library
4
Wiley Online Library (via Crossref)
3
Czech Academy of Sciences: dKNAV
2
Informa (via Crossref)
2
Jultika - University of Oulu repository
2
Natural Resources Institute Finland: Jukuri
2
Polish Botanical Society Journals
2
Springer Nature (via Crossref)
2
University of Tromsø: Septentrio Academic Publishing
2
Uppsala University: Publications (DiVA)
2
AGH (Akademia Górniczo-Hutnicza) University of Science and Technology: Journals
1
Aix-Marseille Université: HAL
1
Akademicka Platforma Czasopism
1
Akademicka Platforma Czasopism (APCZ)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
BORIS (Bern Open Repository and Information System, University of Bern)
1
Bern University of Applied Sciences: ARBOR
1
Cambridge University Press
1
Centre for Open Science: CeON Repository
1
Collège de France: HAL
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
De Gruyter (via Crossref)
1
HAL Sorbonne Université
1
IEDA: EarthChem Library (via DataONE)
1
Imperial College London: Spiral
1
Institut national des sciences de l'Univers: HAL-INSU
1
Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya
1
Jagiellonian University Repository
1
Luleå University of Technology Publications (DiVA)
1
Masaryk University Journals
1
Max Planck Society: MPG.PuRe
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
PeerJ Publishing (via CrossRef)
1
PubMed Central (PMC)
1
RERO DOC Digital Library
1
RePEc (Research Papers in Economics)
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
ScienceDirect (Elsevier - via Crossref)
1
Tampere University: Trepo
1
The Repository of the University of Silesia (RE-BUŚ)
1
University of Lethbridge Digitized Collections
1
Uniwersytet Zielonogórski: Zielonogórska Biblioteka Cyfrowa
1
more ...