1. Al-Charideh A (2003) Geochemical and isotopic characterization of groundwater from shallow and deep aquifers system of Aleppo plateau, north Syria (in Arabic), AECS-G/FRSR 297
2. Bajjali W, Clark ID, Fritz P (1997) The artesian thermal groundwater of the northern Jordan: insights into their recharge history and age. J Hydrol 192:355–382
3. Burdon D, Safadi C (1960) The Jezireh of Syria geological map and sections (scale 1/500,000) compiled by and based on publications and data of L. Dubertret and his colleagues, WJ Van Liere, the IPC and other oil geologists working in Syria. Ministry of Public Works, Damascus
4. Burdon D, Safadi C (1963) Ras El-Ain (the great karst springs of Mesopotamia). J Hydrol 1(1):58–95
5. Clark ID, Fritz P (1997) Environmental isotopes in hydrogeology. Lewis Publishers, New York, p 311