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Re:CSA concept:



I'm under a deadline for an article and have misplaced my references on CSAs.
My recollection is that the CSA concept sprang forth concurrently in Japan and
the eastern U.S. in the mid 1970s.  

Does anyone have the facts for me?  I'ld appreciate a quick response.

Thanks

Art Biggert
Ocean Sky Farm
SCook21089@aol.com