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 author       = "Department of Defence",
 year         = "2008",
 title        = "Systems Engineering Guide for Systems of Systems",
 type         = "Technical Report",
 institution  = "Department of Defence",
 url          = "http://www.acq.osd.mil/se/docs/SE-Guide-for-SoS.pdf",
)
@article(jamshidi2005system,
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 year         = "2005",
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 journal      = "IEEE Transactions on Systems, Man, and Cybernetics (October 2005)",
)
@article(maier1998architecting,
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 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",
)
@article(manthorpe1996,
 author       = "W.H. Manthorpe Jr.",
 year         = "1996",
 title        = "The Emerging Joint System-of-Systems: A Systems Engineering Challenge and Opportunity for APL",
 journal      = "Johns Hopkins APL Technical Digest",
 volume       = "17",
 number       = "3",
 pages        = "305--310",
 url          = "http://techdigest.jhuapl.edu/TD/td1703/manthorp.pdf",
)