Open Systems -- Who coined the term?

[David Resnick]

	I've got a friend who's trying to find the article in which the
term "open systems" is invented and defined.  He's writing a paper on
the history of UNIX.  Anyone know who deserves the credit for this
term?

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David E. Resnick                                davidr at srchtec.uucp (registered)
search technology, inc.				           davidr at searchtech.com
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