Dong, J., Zhang, Y., Wang, Y., Zhang, S. and Wang, H. 2008. Spatial and seasonal variations of Cyanobacteria and their nitrogen fixation rates in Sanya Bay, South China Sea. Scientia Marina. 72, 2 (Jun. 2008), 239–251. DOI:https://doi.org/10.3989/scimar.2008.72n2239.