| dbp:video
|
- 50.0 (dbd:second)
- Ralph Keeling, "The (Ralph) Keeling Curve", Scripps Institution of Oceanography at UC San Diego (en)
- Scripps Institution of Oceanography at UC San Diego, The Keeling Curve Animation, Scripps Institution of Oceanography at UC San Diego (en)
- Charles David Keeling, 2005 "Tyler Prize Laureate Lecture", Scripps Institution of Oceanography at UC San Diego (en)
- John Barnes, Mauna Loa Observatory I Exploratorium, Exploratorium (en)
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