@Article{acpd-2-339-2002, AUTHOR = {Tarasick, D. W. and Bottenheim, J. W.}, TITLE = {Surface ozone depletion episodes in the Arctic and Antarctic from historical ozonesonde records}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {2}, YEAR = {2002}, NUMBER = {2}, PAGES = {339--356}, URL = {http://www.atmos-chem-phys-discuss.net/2/339/2002/}, ISSN = {1680-7367} }