TY - CPAPER AU - L. Bengtsson BT - Seminar on Dynamical Meteorology and Numerical Weather Forecasting, 3-13 September 1979 CY - Shinfield Park, Reading DA - 1979 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1979 SP - 235 EP - 269 T2 - Seminar on Dynamical Meteorology and Numerical Weather Forecasting, 3-13 September 1979 TI - Review of theories for blocking VL - II ER -