TY  - GEN
ED  - Suiça.,
ED  - 
TI  - The role and operation of national hydrological services
T2  - WMO/Technical Reports in Hydrology
VL  - 72
PY  - 2001///
CY  - Geneva
PB  - WMO
KW  - SERVIÇOS HIDROLOGICOS
KW  - IM
ER  -