





Negotiating Active Citizenship in Street-Level Practices: An Institutional Logics Perspective
In: Social Work & Society, Vol. 18 Issue 12020

Neighbourhood Effects on Jihadist Radicalisation in Germany? Some Case-Based Remarks
In: International Journal of Conflict and Violence, Vol. 12, page 1-162018







Niklas Luhmann’s Card Index: The Fabrication of Serendipity
In: Sociologica, Vol. 12 Issue 1, page 53-602018
Niklas Luhmann‘s Card Index: Thinking Tool, Communication Partner, Publication Machine
In: Forgetting Machines. Knowledge Management Evolution in Early Modern Europe, Vol. 53, page 289-3112016


