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Scientific American

March 1, 1983

1 min read

The Amateur Scientist, March 1983

How to analyze a city traffic-light system from the outside looking in

By Jearl Walker

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This article was originally published with the title “The Amateur Scientist” in Scientific American Magazine Vol. 248 No. 3 (March 1983), p. 138
doi:10.1038/scientificamerican0383-138

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