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2022
Hager, Anselm 
ORCID: 0000-0003-4268-1759, Hensel, Lukas ORCID: 0000-0002-4962-2885, Hermle, Johannes ORCID: 0000-0003-0852-3597 and Roth, Christopher ORCID: 0000-0003-2806-7402
(2022).
Political Activists as Free-Riders: Evidence from a Natural Field Experiment.
Discussion Paper.
2021
Hager, Anselm ORCID: 0000-0003-4268-1759, Hensel, Lukas ORCID: 0000-0002-4962-2885, Hermle, Johannes ORCID: 0000-0003-0852-3597 and Roth, Christopher ORCID: 0000-0003-2806-7402
(2021).
Group Size and Protest Mobilization across Movements and Countermovements.
Discussion Paper.
2011
Hermle, Johannes
(2011).
Strukturelle und mechanistische Untersuchungen an Übergangsmetall–S,N–Chelatkomplexen.
PhD thesis, Universität zu Köln.
