Alkan, A., Serdar, S., Fidan, D., Akbaş, U., Zengin, B., & Kılıç, M.B. (2013). Physico-Chemical Characteristics and Nutrient Levels of the Eastern Black Sea Rivers. Turkish Journal of Fisheries and Aquatic Sciences, 13, 847-859. http://doi.org/10.4194/1303-2712-v13_5_09