TY  - BOOK
ED  - UNESCO
TI  - Scientific framework of world water balance: Technical papers in hydrology 
U1  - 551.48 23
PY  - 1971///
CY  - France
PB  - Unesco
KW  - Water balance (Hydrology)
KW  - Waterhuishouding
N1  - Inventory Control Project record
ER  -