Zdroj: General System Theory (1968), 7. Some Aspects of System Theory in Biology, p. 166-167 as quoted in Lilienfeld (1978, pp. 7-8) and Alexander Laszlo and Stanley Krippner (1992) " Systems Theories: Their Origins, Foundations, and Development http://archive.syntonyquest.org/elcTree/resourcesPDFs/SystemsTheory.pdf" In: J.S. Jordan (Ed.), Systems Theories and A Priori Aspects of Perception. Amsterdam: Elsevier Science, 1998. Ch. 3, pp. 47-74.
Ludwig von Bertalanffy: Citáty v angličtine
1950s, "General systems theory," 1956
General System Theory (1968), 4. Advances in General Systems Theory
Teleologie ist … ein Ausfluss der Systemgesetzlichkeit und damit ein legitimer Gegenstand naturwissenschaftlicher Forschung
1920s
Bertalanffy (1937), Das Gefüge des Lebens. Teubner, Leizig. p. 12
1930s