References
- Jackson E. M. Science: Of patients, placebos and positioning. J. Toxicol. Cut. Ocular Toxicol. 1992; 11(1)1–2
- Heppenheimer T. A. How von Neumann showed the way. Invention Technol Fall, 1990; 8–16
- MacCluhan M. The Medium is the Message. Bantam Books, New York 1967