[1. Kari Sųrnes (January 2010). Small-scale Water Current Turbines for River Applications; ZERO - Zero Emission Resource Organisation; www.zero.no]Search in Google Scholar
[2. Khan, M.J., Bhuyan, G., Iqbal, M.T., & Quaicoe, J.E. (2009). Hydrokinetic energy conversion systems and assessment of horizontal and vertical axis turbines for river and tidal applications: A technology status review. Applied Energy, 95 (6), 35-51.10.1016/j.apenergy.2009.02.017]Search in Google Scholar
[3. Khan, M.J., Iqbal, M.T., & Quaicoe, J.E. (2008). River current energy conversion systems: Progress, prospects and challenges. Renewable and Sustainable EnergyReviews, 12 (8), 2177-2193.10.1016/j.rser.2007.04.016]Search in Google Scholar
[4. Barkāns, J. (2008). Elektroenerģētisko sistēmu ekspluatācija. Rīga: Zinatne (in Latvian).]Search in Google Scholar
[5. Manual on stream gauging. (2010). Vol 1- Fieldwork WMO-No. 1004, Ch. 6.]Search in Google Scholar
[6. Aquadopp straumju profilers: Lietotāja rokasgrāmata. (Janvāris 2008). Nortek AS (in Latvian); www.nortek.no]Search in Google Scholar
[7. Handbook of Chemistry and Physics. (2010). 53rd ed-n, p. f4.]Search in Google Scholar
[8. PREDAC Spatial planning of Wind Turbines Guidelines & Comparisons of European Experiences (France).]Search in Google Scholar
[9. http://www.environ.ie/en/Publications/DevelopmentandHousing/Planning/FileDowFile D,1633,en.pdf]Search in Google Scholar
[10. Gorban, A.N., Gorlov, A.M., & Silantyev, V.M. (2001). Limits of the turbine efficiency for free fluid flow. Journal of Energy Resources Technology, 123, 313.10.1115/1.1414137]Search in Google Scholar