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On a Website

http://tobaccodocuments.org/rjr/500580973-0990.html

As a Footnote

Rjr. "Advertising Research Report. Ar-67-21. Kool Filter 'Auto Transport': 60 on-Air Test.". 05 Oct 1967. Bates: 500580973-500580990.
http://tobaccodocuments.org/rjr/500580973-0990.html