Germany’s role in European Russia policy: a new German power?. New perspectives in German political studies, Springer, Cham, 2021. [PUMA: Deutschland Hegemonie Internationale Kooperation außenpolitik beziehungen european foreign germany hegemony initiative international internationale meseberg ostpolitik policy politik relations russia russland union]
Study on scientific publishing in Europe – Development, diversity, and transparency of costs. Publications Office of the European Union, 2024. [PUMA: access commission eu europe european europäische kommission open publishing studie study]
Text and Data Mining in the Proposed Copyright Reform: Making the EU Ready for an Age of Big Data?. IIC - International Review of Intellectual Property and Competition Law, (49)7:814--844, 2018. [PUMA: and copyright data eu european mining reform text union] URL
Next-generation metrics: Responsible metrics and evaluation for open science. Report of the European Commission Expert Group on Altmetrics. European Commission - Directorate-General for Research and Innovation, Brussels, 2017. [PUMA: access altmetrics commission eu european europäische evaluation kommission metriken open science]