[Redbook4:42][19870712:1000k]{Research
and Development [continued(5)][:]
Contra-rotation}[12th
July 1987]
19870712.1000
[continued]
It
is worth repeating that each Circle* contains strong or faint
symmetrical echoes of its equivalent in the reverse direction: the
tendency may vary in strength depending on the context.
*[See
last previous entries.]
[continues]
[PostedBlogger05082016]
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