@Article{acpd-6-3627-2006, AUTHOR = {Roscoe, H. K. and Roscoe, J.}, TITLE = {Polar tropospheric ozone depletion events observed in IGY}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {6}, YEAR = {2006}, NUMBER = {3}, PAGES = {3627--3656}, URL = {http://www.atmos-chem-phys-discuss.net/6/3627/2006/}, ISSN = {1680-7367} }