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Cited from http://www.dini.de/projekte/oa-statistik/
Project contact: Nils K. Windisch at windisch@sub.uni-goettingen.de
Acknowledgements
This OA-Statistik section is based on work conducted by the project partners Georg-August Universitaet Goettingen (State- and University Library), Humboldt-Universitaet zu Berlin (Computer- and Mediaservice), Saarland University (Saarland University and State Library), and the University Stuttgart (University Library). Special thanks to Björn Middelsdorf, Saarland University and State Library.