A. Schrempf, S. Cremer, and J. Heinze, “Social influence on age and reproduction reduced lifespan and fecundity in multi queen ant colonies,” Journal of Evolutionary Biology, vol. 24, no. 7. Wiley-Blackwell, pp. 1455–1461, 2011.
LibreCat: https://research-explorer.ista.ac.at/record/3386
DOI: 10.1111/j.1420-9101.2011.02278.x

S. Cremer, A. Schrempf, and J. Heinze, “Competition and opportunity shape the reproductive tactics of males in the ant Cardiocondyla obscurior,” PLoS One, vol. 6, no. 3. Public Library of Science, 2011.
LibreCat: https://research-explorer.ista.ac.at/record/3399
DOI: 10.1371/journal.pone.0017323