@(mw2013,
 author       = "Merriam Webster Dictionary",
 year         = "2013",
 url          = "http://www.merriam-webster.com",
)
@article(halford2005many,
 author       = "Graeme S Halford and Rosemary Baker and Julie E McCredden and John D Bain",
 year         = "2005",
 title        = "How many variables can humans process?",
 journal      = "Psychological Science",
 volume       = "16",
 number       = "1",
 pages        = "70--76",
 doi          = "10.1111/j.0956-7976.2005.00782.x",
)
@book(kopetz2011real,
 author       = "Hermann Kopetz",
 year         = "2011",
 title        = "Real-time systems: design principles for distributed embedded applications",
 publisher    = "Springer",
 url          = "http://www.springer.com/computer/communication+networks/book/978-1-4419-8236-0",
)
@article(Maier1998,
 author       = "Mark W. Maier",
 year         = "1998",
 title        = "Architecting principles for systems-of-systems",
 journal      = "Systems Engineering",
 volume       = "1",
 number       = "4",
 pages        = "267--284",
 doi          = "10.1002/(SICI)1520-6858(1998)1:4<267::AID-SYS3>3.0.CO;2-D",
)
@misc(miller1956,
 author       = "George A. Miller",
 year         = "1956",
 title        = "The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information",
 doi          = "10.1037/h0043158",
)
@book(Newell1972,
 author       = "Allen Newell and Herbert A. Simon",
 year         = "1972",
 title        = "Human Problem Solving",
 publisher    = "Longman Higher Education",
)
@incollection(wimsatt1975,
 author       = "William C. Wimsatt",
 year         = "1975",
 title        = "Complexity and Organization",
 booktitle    = "Topics in the Philosophy of Biology",
 series       = "Boston Studies in the Philosophy of Science",
 volume       = "27",
 publisher    = "Springer Netherlands",
 pages        = "174--193",
 doi          = "10.1007/978-94-010-1829-6\_8",
)