Y. Mutlu, O. Is&#231k, L. Uslu, K. Ko&#231, and Y. Durmaz, “The effects of nitrogen and phosphorus deficiencies and nitrite addition on the lipid content of <i>Chlorella vulgaris</i> (Chlorophyceae)”, ajb, vol. 10, no. 3, pp. 453–456, Aug. 2013.