TY  - BOOK
AU  - United Nations Economic Commission for Europe
ED  - United Nations Economic Commission for Europe
TI  - Manual for the compilation of balances of water resources and needs
U1  - "X9(D2):27, L4/UN" 
PY  - 1974///
CY  - New
PB  - York United Naitons USA    
KW  - Engneering
ER  -