2Iwamura S. Oases and Karez[ J]. Japan Quarterly, 1958, 5 (4) 497 -500.
3Dutton R W, Beaumont P, Bonine M, et al. Aflaj renewal in Araqi a village case study from Oman. [ J]. Qanat., kariz and khattara: tra ditional water systems in the Middle East and North Africa. , 1989 237 -256.
4Lightfoot D R. Moroccan khettara: traditional irrigation and progres sive desiccation[J]. Geoforum, 1996, 27(2) : 261 -273.
5Hussain I, Abu- Rizaiza O S, Habib M A A, et al. Revi- talizing a traditional dryland water supply system: the karez- es in Afghanist.an, Iran, Pakistan and the Kingdom of Saudi Arabia[ J ]. Water International, 2008, 33 (3) : 333 - 349.
6Cressey G B. Qanats, karez, and foggaras[ J]. Geographical Review, 1958, 48(1) : 27 -44.
7Sala R, Deom J M. The 261 Karez of the Sauran Region ( Middle Syrdarya) [ J]. Transoxiana, 2008 : 1 - 32.
8自治区坎儿井研究会.新疆坎儿井[M].乌鲁木齐:新疆人民出版社.2006.
9Innovation N R C U. Firewood crops: shrub and tree species for energy production : report of an ad hoc panel of the Advi- sory Committee on Technology Innovation, Board on Science and Technology for International Development, Commission on International Relations[ M]. National Academies, 1980.
10Wockner C. Karez is a puzzle inside a mystery - ACT OF WAR BRINKMANSHIP [ N ]. Daily Telegraph.