TY - GEN AU - Tibaldi, S. AU - Brankovic, C. ED - Reino Unido., ED - TI - Thirty day integrations using the operational ECMWF spectral model T2 - ECMWF Technical Memorandum VL - 138 PY - 1987/// CY - Reading PB - ECMF KW - MODELOS DE PREVISAO NUMERICA KW - IM ER -