Seasonal variation of phytoplankton and cyanobacteria composition and associated microcystins in six Portuguese freshwater reservoirsE. Valério, N. Faria, S. Paulino and P. PereiraAnn. Limnol. - Int. J. Lim., 44 3 (2008) 189-196DOI: https://doi.org/10.1051/limn:2008003
