TY - CPAPER AU - L.A. Barrie BT - Seminar on Global earth-system monitoring, 5-9 September 2005 CY - Shinfield Park, Reading DA - 2006 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2006 SP - 35 EP - 41 T2 - Seminar on Global earth-system monitoring, 5-9 September 2005 TI - An integrated global atmospheric chemistry observations strategy and WMOs leading role: GAW & IGACO ER -