1. vgl. Ricoeur (1977), S. 18
2. Zudem gilt Leonard W. Doobs Erkenntnis: “Any kind of communication involves temporal factors which are important in determining its effectiveness.” (Doob (1971), S. 87)
3. McLuhan (1970), S. 68
4. vgl. Leisi (1964), S. 18
5. Vgl. Kleist (1966)