1. Optimization of the proposed irrigation water reservoirs in Al-Hassa, Saudi Arabia;Al Ofi,1988
2. The effect of salinity in groundwater and surfacewater on the cultivated crops in Al-Hassa Oasis;Hassa Irrigation and Drainage Authority (HIDA),1986
3. Research of the Lakes of Hungary Using Digital LANDSAT Data, Observation of Surface and Meteorological Processes from Satellites;Buttner,1980