Yüksel, F., Demirol, F., Gündüz, F. 2013. Leslie Population Estimation for Turkish Crayfish (Astacus leptodactylus Esch., 1823) in the Keban Dam Lake, Turkey. Turkish Journal of Fisheries and Aquatic Sciences, 13: 835-839. doi: 10.4194/1303-2712-v13_5_07