Identification of Anthropogenic CO2 Using Triple Oxygen and Clumped Isotopes Laskar, Amzad H. ; Mahata, Sasadhar ; Liang, Mao-Chang Abstract Publication: Environmental Science and Technology Pub Date: November 2016 DOI: 10.1021/acs.est.6b02989 Bibcode: 2016EnST...5011806L