TY  - BOOK
AU  - UNESCO.WMO.IAHS
TI  - Symposium on the design of water resources projects with inadequate data, Madrid, June 1973
U1  - 556.02(084) U4S 
PY  - 1973///
CY  - Madrid
PB  - UNESCO.WMO.IAHS
KW  - Water resources
ER  -