1. Freud, S.: Beyond the Pleasure Principle, Standard Edition. The Hogarth Press, London (1974); First German edition (1920)
2. Freud, S.: Introductory Lectures on Psycho-Analysis, Standard edn. W. W. Norton and Company, New York (1966), First German edition (1917)
3. Lecture Notes in Computer Science;R.S. Wedemann,2002
4. Lecture Notes in Computer Science;R.S. Wedemann,2006
5. Wedemann, R.S., Carvalho, L.A.V., Donangelo, R.: Network Properties of a Model for Conscious and Unconscious Mental Processes. Neurocomputing 71, 3367–3371 (2008)