1. Boulding, K. (1956). General systems theory—the skeleton of science. Management Science, 2(3), 197–208.
2. Bruno Nolano, G. (2000). Dialoghi filosofici italiani. Milano, Italy: Mondadori.
3. Buck, J., & Endenburg, G. (2012). The creative forces of self-organization. Technical report, Sociocratic Center, Rotterdam, The Netherlands.
4. Burek, P. (2004). Adoption of the classical theory of definition to ontology modeling. In C. Bussler & D. Fensel (Eds.), Proceedings of the 11th International Conference on Artificial Intelligence: Methodology, Systems, and Applications (AIMSA 2004), LNAI (Vol. 3192). Berlin: Springer.
5. Coppens, P. (2016). The lament of Hermes the Egyptian. Available online at http://www.philipcoppens.com/thelament.html, Accessed on 28 September 2016.