Duplicate title to
Brännström, Å., Gross, T., Blasius, B., & Dieckmann, U.
ORCID: https://orcid.org/0000-0001-7089-0393
(2010).
Consequences of fluctuating group size for the evolution of cooperation.
IIASA Interim Report.
IIASA, Laxenburg, Austria: IR-10-025