4Heylighen F. Foundations and Methodology for an Evolutionary World View: a Review of the Prineipia Cybemetica Project. Foundation of Science,2000,4:5.
5Bertalanffy L yon. General system theory:foundations,development and applications. New York:George Braziller Inc,1973.54-55.
6Turchin V. The Phenomenon of Science. New York:Columbia University Press, 1977.58.
7Flood Robert L,Carson Ewart R.Dealing with Complexity--An Introduction to the Theory and Application of Systems Science. 2nd edition.New York:A Division of Plenum Publishing Corporation, 1993.15.
8Heylighen F. Principles of Systems and Cybemetics: an evolutionary perspective. In: Trapple Red. Cybernetics and Systems' 92. Singapore:World Science, 1992.3-- 10.