TY - JOUR AU1 - Keeling, Charles D. AU2 - TI - The Concentration and Isotopic Abundances of Carbon Dioxide in the Atmosphere JF - Tellus DO - 10.3402/tellusa.v12i2.9366 DA - 1960-01-01 UR - https://www.deepdyve.com/lp/unpaywall/the-concentration-and-isotopic-abundances-of-carbon-dioxide-in-the-bhlfJFqU4M DP - DeepDyve ER -