TY  - BOOK
AU  - United Nations. Economic and Social Commission for Western Asia
ED  - United Nations. Economic and Social Commission for Western Asia
TI  - Groundwater quality control and conservatin in the
U1  - X 9 (D24) : (G:527).49M.N9, N9 
PY  - 1999///
CY  - New York
PB  - United Nations USA       
KW  - Engineering
ER  -