1. Abdallah, S., & Lesser, V. (2004). Organization-based cooperative coalition formation. In Proceedings of the IEEE/WIC/ACM international conference on intelligent agent techonology (pp. 162–168), IAT.
2. Baliyarasimhuni, S. P., & Beard, R. W. (2008). Multiple UAV coalition formation. In American control conference (pp. 2010–2015).
3. Berman P. (2000) A d/2 approximation for maximum weight independent set in d-Claw free graphs. Nordic Journal of Computing 7(3): 178–184
4. Campbell, A., Wu, A. S., & Shumaker, R. (2002). Multi-agent task allocation: Learning when to say No. In GECCO ’08: Proceedings of the 10th annual conference on genetic and evolutionary computation (pp. 201–208), New York, NY, USA, ACM.
5. Fanelli, L., Farinelli, A., Iocchi, L., Nardi, D., & Settembre, G. P. (2006). Ontology-based coalition formation in heterogeneous MRS. In Proceedings of the 2006 international symposium on practical cognitive agents and robots (pp. 105–116).