
Source: Biology of Cognition (1970), p. 9.
Derek Hitchins (2013) at " Systems World http://www.hitchins.net/" at hitchins.net
Source: Biology of Cognition (1970), p. 9.
Source: What Is This Thing Called Science? (Third Edition; 1999), Chapter 3, Experiment, p. 28.
“The real world is made from open, interacting systems, behaving chaotically.”
D.K. Hitchins (2000) World Class Systems Engineering - the five layer Model; cited in: Neville A. Stanton, Chris Baber, Don Harris (2012) Modelling Command and Control. p. 8
Introduction; Quoted in: " Fundamentals of Measurement and Representation of Natural Systems by Robert Rosen http://www.panmere.com/?page_id=15" at panmere.com.
Fundamentals of measurement and representation of natural systems. (1978)
Cited in: Haluk Demirkan, James C. Spohrer, Vikas Krishna (2011) The Science of Service Systems. p. 274.
1970s, Towards a System of Systems Concepts, 1971
Robert Costanza, Ecological economics: the science and management of sustainability. Columbia University Press, 1992.
Source: Introduction to Systems Philosophy (1972), p. 14.
Source: How Europe Underdeveloped Africa (1972), p. 35.