* Some content adapted from the [http://en.wikipedia.org/ Wikipedia] article [http://en.wikipedia.org/w/index.php?title=Cybernetics&oldid=74020783 "Cybernetics"] under the [[GNU Free Documentation License]]. | * Some content adapted from the [http://en.wikipedia.org/ Wikipedia] article [http://en.wikipedia.org/w/index.php?title=Cybernetics&oldid=74020783 "Cybernetics"] under the [[GNU Free Documentation License]]. |