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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
2
BORIS (Bern Open Repository and Information System, University of Bern)
2
DataCite Metadata Store (German National Library of Science and Technology)
2
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
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