TY  - BOOK
AU  - Seminar on Long term planning of Water Management (Bulgaria) (1976)
ED  - Seminar on Long term planning of Water Management (Bulgaria) (1976)
TI  - Proceeding 3V
T2  - United Nations Economic Commission for Europe
U1  - "X9(D2):75p5992,N76, L6/UN" 
PY  - 1976///
CY  - New
PB  - York United Naitons USA    
KW  - Engneering
ER  -