TY - CPAPER AU - R.J. Purser BT - Seminar on Recent Developments in Numerical Methods for Atmospheric Modelling, 7-11 September 1998 CY - Shinfield Park, Reading DA - 1998 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1998 SP - 73 EP - 94 T2 - Seminar on Recent Developments in Numerical Methods for Atmospheric Modelling, 7-11 September 1998 TI - Efficient high-order semi-Lagrangian methods ER -