1. Bernstein, N. (1967). The co-ordination and regulation of movements. Oxford: Pergamon Press.
2. Bieri, P. (2001). Das Handwerk der Freiheit. Über die Entdeckung des eigenen Willens. München: Hanser.
3. Bunge, M. (2003). Emergence and convergence. Qualitative novelty and the unity of knowledge. Toronto: University of Toronto Press.
4. Chalmers, D. J. (1995). Facing up to the problem of consciousness. Journal of Consciousness Studies, 2(3), 200–219.
5. Chalmers, D. J. (2018). The meta-problem of consciousness. Journal of Consciousness Studies, 25(9–10), 6–61.