Source: Systems Engineering Tools, (1965), p. 8; Cited in: Peter Allen, Steve Maguire, Bill McKelvey (2011) The SAGE Handbook of Complexity and Management. p. 35
“The process of formulating and structuring a system are important and creative, since they provide and organize the information, which each system. "establishes the number of objectives and the balance between them which will be optimized". Furthermore, they help identify and define the system parts. Furthermore, they help identify and define the system parts which make up its "diverse, specialized structures and subfunctions.”
Source: Systems Engineering Tools, (1965), Systems Engineering Methods (1967), p. 70; First sentences of Ch. 3. Formulating and Structuring the System
In this text Harold Chestnut is here citing:
C. West Churchman, Russell L. Ackoff, and E. Leonard Arnoff (1957) Introduction to Operations Research. Wiley. New York, and
J. Morley English (1964) "Understanding the Engineering Design Process." The Journal of Industrial Engineering, Nov-Dec. 1964 Vol 15 (6). p. 291-296
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Harold Chestnut 27
American engineer 1917–2001Related quotes
Source: Systems Engineering Tools, (1965), Systems Engineering Methods (1967), p. 70
The Structure of Information Retrieval Systems (1959)
Source: Systems Thinking, Systems Practice, 1981, p. 223 as cited in: Gillian Ragsdell, Daune West, Jennifer Wilby (2002) Systems Theory and Practice in the Knowledge Age. p. 82. In the original quote Checkland summarised his earlier work with Smyth published in 1976.
Source: The Social Psychology of Organizations (1966), p. 22

Source: Evolution: the general theory (1996), p. 28.