TY - GEN AU - Simpson, David AU - Hov, O. TI - Long period modelling of photochemical oxidants in Europe T2 - EMEP MSC-W Note VL - 2/90 PY - 1990/// CY - Oslo PB - Norwegian Meteorological Institute KW - EMEP KW - INMG KW - POLUIÇAO ATMOSFERICA KW - 551.5 KW - med KW - fre ER -