References:
- AI-Sam s., Al-Niemi s.,et. al., «Preliminary Study about the Possibility of Lowering the Underground water level in Babylon», Directorate General of Geological Survey and Mineral Investigation ,Ministry of Industry, (DGGSMI) , unpublished report, 1979.
- Consulting Engineering Bureau, Hydrological Study of Ancient Babylon Site (Final Report), College of Engineering, Baghdad University