1. O.E. Rössler: Endophysics. In Real Brains, Artificial Minds, ed. by J.L. Casti and A. Karlquist. North-Holland, New York 1987, pp. 25–46
2. O.E. Rössler: Endophysik - Die Welt des inneren Beobachters. Ed. by P. Weibel. Merwe Verlag, Berlin 1992
3. O.E. Rössler: Talk at the Endophysics Symposium, Linz, Austria, June 1992
4. H. Putnam: Reason, Truth and History. Cambridge University Press, Cambridge 1981
5. K.R. Popper: British Journal for the Philosophy of Science 1, 117, 173 (1950)