TY  - GEN
AU  - Spreafico, M.
TI  - Hydrological observation requirements in operational hydrological refertence basins
T2  - Technical Reports in Hydrology and Water Resources
VL  - 41
PY  - 1994///
CY  - Geneva
PB  - WMO
KW  - OBSERVAÇÖES HIDROLOGICAS
KW  - 551.5
KW  - med
KW  - fre
ER  -