1. Allison, I., Merali, Y.: Software process improvement as emergent change: a structurational analysis. Inf. Soft. Technol. 49(6), 668–681 (2007)
2. Aristotle: Metaphysics. The Internet Classics Archive, 350BCE
3. Baas, N.A.: Emergence, hierarchies, and hyperstructures. In: Santa Fe Institute Studies in the Science of Complexity Proceedings, vol. 17, p. 515. Addion-Wesley Publishing Co (1994)
4. Bedau, M.: Downward causation and the autonomy of weak emergence. Principia 6(1), 5 (2002)
5. Bonabeau, E., Dessalles, J.-L., Grumbach, A.: Characterizing emergent phenomena (2): a conceptual framework. Revue Internationale de Systémique 9(3), 347–371 (1995)