TY - GEN AU - Akesson, O. AU - , H. TI - Evaluation of the gridpoint model and the new spectral model for the period 2 April to 20 April 1983 T2 - ECMWF Technical Memorandum VL - 84 PY - 1983/// CY - Reading PB - ECMWF KW - MODELOS MATEMATICOS KW - IM ER -