TY - GEN AU - A. Dethof AU - E. Hólm BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 08/2002 DO - 10.21957/x5wegdyu LA - eng M1 - 377 PB - ECMWF PP - Shinfield Park, Reading PY - 2002 EP - 37 T2 - ECMWF Technical Memoranda TI - Ozone in ERA-40: 1991-1996 UR - https://www.ecmwf.int/node/9025 ER -