TY - GEN AU - Cardinali, C. AU - Andersson, E. AU - Viterbo, Pedro TI - Use of conventional surface observations in three-dimensional variational data assimilation T2 - Technical Memorandum VL - 207 PY - 1994/// CY - Reading PB - ECMWF KW - OBSERVAÇÖES DE SUPERFïCIE KW - IM KW - MODELOS MATEMåTICOS KW - 551.5 KW - med KW - fre ER -