1. R. Fischer,The Perception-Hallucination Continuum, A Re-examination, Dis. Nerv. System,30, 161–171 (1969).
2. J. Delay andP. Pichot,Abrégé de Psychologie, 2nd ed. (Masson & Cie, Paris 1964).
3. R. Fischer,Out on a (Phantom) Limb, Variations on the Theme: Stability of Body Image and the Golden Section, Perspect. Biol. Med.12, 259–273 (1969).
4. R. Fischer, S. M. England, R. C. Archer andR. K. Dean,Psilocybin Reactivity and Time Contraction as Measured by Psychomotor Performance, Arzneimitt.-Forsch.16, 180–185 (1966).
5. R. Fischer,Selbstbeobachtungen im Meskalinrausch, Schweiz. Z. Psychol.5, 308–313 (1946).