TY - JOUR A1 - Tarasick, D. W. A1 - Bottenheim, J. W. T1 - Surface ozone depletion episodes in the Arctic and Antarctic from historical ozonesonde records JO - Atmos. Chem. Phys. J1 - ACP VL - 2 IS - 3 SP - 197 EP - 205 Y1 - 2002/08/08 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/2/197/2002/ L1 - http://www.atmos-chem-phys.net/2/197/2002/acp-2-197-2002.pdf DO - 10.5194/acp-2-197-2002 ER -