1. Altunkaynak A 2005 Dodrusal olmayan yeraltı su akımların incelenmesi (Investigation of nonlinear groundwater flows, in Turkish)
2. Steady-state groundwater flow model with variable hydraulic conductivity;Altunkaynak;Hydrological Sciences Journal,2007
3. Non-Darcy flow and its implications to seepage problem;Barker;Journal of Irrigation and Drainage Engineering-ASCE,1977
4. Electro-osmotic stabilization of soils;Casagrande;Journal of the Boston Society of Civil Engineers. Contributions to Soil Mechanics,1952