@Article{acpd-6-7869-2006, AUTHOR = {Shaheen, R. and Janssen, C. and Röckmann, T.}, TITLE = {Investigations of the photochemical isotope equilibrium between O$_{2}$, CO$_{2}$ and O$_{3}$}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {6}, YEAR = {2006}, NUMBER = {4}, PAGES = {7869--7904}, URL = {http://www.atmos-chem-phys-discuss.net/6/7869/2006/}, ISSN = {1680-7367} }