TY - CPAPER AU - P. Jonas BT - Workshop on Mountains and Numerical Weather Prediction, 20-22 June 1979 CY - Shinfield Park, Reading DA - 1979 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1979 SP - 109 EP - 138 T2 - Workshop on Mountains and Numerical Weather Prediction, 20-22 June 1979 TI - Experiments and numerical modelling of annulus flow in the presence of obstacles ER -