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Max Planck Society: MPG.PuRe
2
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Copernicus Publications: E-Journals
1
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources)
1
Niedersächsisches Online-Archiv NOA
1
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