1. Compare e.g. Benoit Mandelbrot: The Fractal Geometry of Nature. New York 1983. german transi.: Die fraktale Geometrie der Natur. Basel 1987. ch.12, p.12 1ff.
2. For a non-technical reading see Frederick David Peat: Superstrings and the search for the theory of everything. Chicago 1988. german transi.: Superstrings. Kosmische Fäden. Die Suche nach der Theorie, die alles erklärt. Hamburg 1989.
3. A. N. Whitehead: On Mathematical Concepts of the Material World; Philos. Trans. Roy. Soc. Lond. A 205 (1906), 465–525 quoted as MC.
4. A. N. Whitehead: “La Theorie Relationniste De L’Espace”; Revue de Metaphysique et de Morale 23 (1916), 423–454; quoted as TR. Whitehead’s Relational Theory of Space: Text, Translation, and Commentary; Philosophy Research Archives 5 (1979), 676–777; Translation (711–741) and Commentary (742–777) by Patrick J. Hurley; Translation quoted as RTS.
5. A. N. Whitehead: An Enquiry concerning the Principles of Natural Knowledge; 1st edn. 1919, 2nd edn. 1925, repr. Cambridge 1955. Part III, esp. ch. viii. and The Concept of Nature; 1st edn. 1920, repr. Cambridge 1971. ch. IV.