Jackson, Michael “Foresight Glossary” "Entropy". Online Etymology Dictionary. Jungermann, A.H. “Entropy and the Shelf Model: A Quantum Physical Approach to a Physical Property”. Brooks, Daniel, R.; Wiley, E.O. “ Evolution as Entropy– Towards a Unified Theory of Biology”. Gutiérrez, Miguel Angel. “Futures studies glossary.” Hillmann, Karl-Heinz. “Sociology encyclopedic dictionary.”