TY  - GEN
AU  - Guddal, Johannes
TI  - Information needs for water quality assessment and management
T2  - Technical Reports in Hydrology and Water Resources
VL  - 34
PY  - 1992///
CY  - Geneva
PB  - WMO
KW  - RECURSOS HIDRICOS
KW  - INMG
KW  - UNEP
KW  - RELATORIOS
KW  - 551.5
KW  - med
KW  - fre
ER  -