Fallahi, Maryam, Fatemi, S.Mohammad Reza, Mashinchian, Ali, Noori Koupaei, Atoosa. The determination of N: P ratio in Cyanobacterial bloom of Anabaena flos- aquae in the Caspian Sea, Iran in situ. Journal of Environmental Science and Technology. 2015;17(2):73-84. doi: