1. Abbott, K. W., Green, J. and Keohane, R. O. (2013) ‘Organizational Ecology and Organizational Strategies in World Politics‘, Harvard Kennedy School, Discussion Paper, 13–57, Cambridge: Harvard University.
2. Aldrich, H. E. (1979). Organizations and Environments. Englewood Cliffs: Prentice Hall.
3. Aldrich, H. E., & Pfeffer, J. (1976). Environments of Organizations’. Annual Review of Sociology, 2, 79–105.
4. Biermann, R. (2008). Towards a Theory of Inter-Organizational Networking. The Euro-Atlantic Security Institutions Interacting. The Review of International Organizations, 3(2), 151–177.
5. Biermann, R. (2009). NATO’s Institutional Decline in Post-Cold War Security. In J. Hallenberg, J. Sperling, & C. Wagnsson (Eds.), The EU and Security Governance: Networked Governance in a Multipolar World (pp. 40–60). London: Routledge.