@book{ international2002iaea, title={Isotope Aided Studies of Atmospheric Carbon Dioxide and Other Greenhouse Gases - Phase II}, series={TECDOC Series}, number={1269}, year={2002}, url={http://www.dgdingfa.net/publications/6324/isotope-aided-studies-of-atmospheric-carbon-dioxide-and-other-greenhouse-gases-phase-ii}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }