1. Beaumont P (1989) The karez: a means of water provision from groundwater sources. In: Beaumont P, Bonine ME, McLachlan K (eds) Karez, Kariz and Khattara: traditional water systems in the Middle East and North Africa. Whitstable Litho Ltd., Cambridgeshire, pp 13–31
2. Bonine ME (1989) Karezes, field systems, and morphology: retangularity on the Iranian Plateau. In: Beaumont P, Bonine ME, McLachlan K (eds) Karez, Kariz and Khattara: traditional water systems in the Middle East and North Africa. Whitstable Litho Ltd., Cambridgeshire, pp 35–57
3. Centre for Sustainable Development (Cenesta) (2003) Karez irrigation systems: an Ancient Water Distribution System allowing specialized and diverse cropping in desert regions of Iran. DIALOG, www.cenesta.org/projects/karez/Karez%20Irrigation%20Systems.doc . Accessed 12 Dec 2008
4. English PW (1998) Karezes and lifeworlds in Iranian plateau villages. Yale For Environ Sci Bull 103:187–205
5. Guan DH, Zhang SJ, Nuridin G (2005) Analysis on the current status and prevention strategies for karez systems in Xinjiang. Xinjiang Water Res. 3:1–3