TY  - BOOK
AU  - United Nations Economic and Social Affairs.
ED  - United Nations Economic and Social Affairs.
TI  - National systems of water administration
U1  - "X9(D2):27.1.N7, L4/UN" 
PY  - 1974///
CY  - New
PB  - York United Naitons USA    
KW  - Engneering
ER  -