1. Afkhami, A. 1997. Disease and Water Supply: The Case of Cholera in 19th Century Iran. In: Transformations of Middle Eastern Natural Environments: Legacies and Lessons. Proceedings of the Conference: Yale University.
2. Alizadeh, A. 2005. Principle of Applied Hydrology. Ferdowsi University of Mashhad Press, Iran, 650 (in Persian).
3. Al-Rawas, A., and A.W. Hago. 1999. Construction Problems in Traditional Irrigation System. In: Goosen, M.FA., and W.H. Shyya (eds.). Water Management, Purification and Conservation in Arid Climates. Technomic Publishing, Pennsylvania.
4. Bahadori, M.N. 1978. Passive Cooling Systems in Iranian Architecture. Scientific American 238 (2): 144-154.
5. Beckett P., Qanats around Kirman, J.R. Asian Soc. 40 (1953) 47e58.