@article{Shokravi_2012 author = {Shadman Shokravi and N. Soltani}, title = {The Effect of Ammonium on Viability, Growth and Pigment Composition of Fischerella sp. (Cyanophyta) }, journal = {International Journal on Algae}, issn = {1521-9429}, year = {2012}, volume = {14}, number = {1}, pages = {62--70} }