1. Caves, C.M., & Fuchs, C. A. (1996). Quantum information: how much information in a state vector? preprint quant-ph/9601025.
2. Deutsch, D., & Hayden, P. (1999). Information flow in entangled quantum subsystems. preprint quant-ph/9906007.
3. On the concept of entropy of a finite probabilistic scheme;Faddeev,1957
4. Fuchs, C.A. (2001). Notes on a Paulian idea: foundational, historical, anecdotal, and forward-looking thoughts on the quantum, preprint quant-ph/0105039.
5. Fuchs, C.A. (2002). Quantum states: What the hell are they? http://netlib.bell-labs.com/who/cafuchs/PhaseTransition.pdf.