The influence of environmental conditions on the morphological variability of phytoplankton in an oligo-mesotrophic Turkish lakeR. Akçaalan, M. Albay, C. Gürevin and F. ÇevikAnn. Limnol. - Int. J. Lim., 43 1 (2007) 21-28DOI: https://doi.org/10.1051/limn/2007024