1. The karez, an ancient system of artificial springs;Aisenstein;Journal of the Association of Engineers and Architects,1947
2. Water in the Nabataean period;Al Muheisen;Aram,2001
3. The Middle East: geography and geopolitics;Anderson,2000
4. Rome in the East; The Transformations of an Empire;Ball,2000
5. Middle to late Holocene (6500 year period) palaeoclimate in the eastern Mediterranean region from stable isotopic composition of speleotherms from Soreq cave, Israel;Bar-Matthews,1998