TY - CPAPER AU - J.-F. Mahfouf AU - Roberto Buizza AU - R.M. Errico BT - Workshop on non-linear aspects of data assimilation, 9-11 September 1996 CY - Shinfield Park, Reading DA - 1996 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1996 SP - 595 EP - 632 T2 - Workshop on non-linear aspects of data assimilation, 9-11 September 1996 TI - Strategy for including physical processes in the ECMWF variational data assimilation system ER -