TY - GEN ED - SuiƧa., TI - Cost-benefit assessement techniques and user requirements for hydrological data T2 - Operational hydrology report VL - 32 PY - 1990/// CY - Geneva PB - WMO KW - VALOR ECONOMICO DA METEOROLOGIA KW - INMG KW - HIDROLOGIA KW - 551.5 KW - med KW - fre ER -