TY  - BOOK
ED  - Unesco.
TI  - Scientific framework of world water balance
AV  - GB651 .T42 no. 7
U1  - 341/.23/08 s551.4/8 
PY  - 1971///
CY  - Paris
PB  - Unesco
KW  - Water balance (Hydrology)
N1  - At head of title: A contribution to the International Hydrological Decade; Bibliography: p. 26-27
ER  -