1. Preliminary reports (2002) from: EDF. France, LU. Y. Hamze, The group of engineers in the Adra. Syria, Lahmayer international, Germany, JICA, Japan, the design revision: Wapcos, Indian, Syrian comity for investigation of Zayzoun dam, the Syrian Minister's consultant Eng. M. Daoud., and the Agrocomplect PLC, Sofia, Bulgaria 2002 and 2003.
2. Design of small dams. Third edition 1987, USBR.
3. Sherard, J.L. (1985). Hydraulic fracturing in embankment dams in seepage and leakage from dams and impoundments.
4. Canadian foundation engineering Manual 3rd Edition 1992.
5. P. Novak, A.I.B. Moffat & C. Nalluri, R. Narayanan. (1989). Hydraulic structures.