TY - CPAPER AU - H. Mitchell AU - R. Daley AU - P. Bartello BT - Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992 CY - Shinfield Park, Reading DA - 1992 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1992 SP - 95 EP - 112 T2 - Workshop on Variational Assimilation, with special emphasis on Three-dimensional Aspects, 9-12 November 1992 TI - Some aspects of forecast and model error ER -