1. Apostle, H.G.: Aristotle’s On the Soul, 416b18–19. The Peripatetic Press, Grinnell (1981). Translated by H. Apostle
2. Ashby, W.R.: An Introduction to Cybernetics. Martino Publishing, Mansfield Centre (1956/2015)
3. Barandarian, X., Di Paolo, E., Rohde, M.: Defining agency: individuality, normativity, asymmetry, and spatio-temporality in action. Adapt. Behav. 17(5), 370 (2009)
4. Bensmaia, S.: Tactical intensity and population codes. Behav. Brain Rese. 190(2), 165–173 (2008)
5. Block, N.: On a confusion about a function of consciousness. Behav. Brain Sci. 18, 2 (1995)