Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,148
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Defense Technical Information Center: DTIC Technical Reports database
1
Ghent University Academic Bibliography
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Wiley Online Library
1