Content Provider
Zenodo
990
PANGAEA - Data Publisher for Earth & Environmental Science
132
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
108
NASA Technical Reports Server (NTRS)
30
The Winnower
8
Pensoft Publishers
6
Digital.CSIC (Spanish National Research Council)
4
OSKAR Bordeaux (Open Science Knowledge ARchive)
3
Ohio State University (OSU): Knowledge Bank
3
USP Production Repository (Universidade de São Paulo)
3
University of St Andrews: Research Portal
3
ACS Publications
2
AU Digital Research Archive (American University)
2
AUrora - Auburn University Scholarly Repository
2
BioMed Central
2
Georg-August-Universität Göttingen: GOEDOC
2
Servicio Meteorológico Nacional: elabrigo Repositorio Institucional SMN
2
The University of Melbourne: Digitised Collections
2
University of Canterbury, Christchurch: UC Research Repository
2
Wiley Online Library
2
Aalto University Publication Archive (Aaltodoc)
1
Apollo - University of Cambridge Repository
1
Australian National University: ANU Digital Collections
1
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
1
COS Center for Open Science (via Crossref)
1
Columbia University: Academic Commons
1
Czech Technical University in Prague: Digital Library
1
DataSpace at Princeton University
1
Ghent University Academic Bibliography
1
IntechOpen (E-Books)
1
OpenEdition
1
UFZ - Publication Index (Helmholtz-Centre for Environmental Research)
1
University of California: eScholarship
1
University of Miami: Scholarly Repository
1
Unknown
1
Wageningen UR (University & Research Centre): Digital Library
1
eScholarship Repository (University of California)
1