TY - CPAPER AU - T.L. Clark BT - Seminar on Numerical Methods in Atmospheric Models, 9-13 September 1991 CY - Shinfield Park, Reading DA - 1991 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1991 SP - 43 EP - 72 T2 - Seminar on Numerical Methods in Atmospheric Models, 9-13 September 1991 TI - Lateral and upper boundary conditions VL - II ER -