Effects of L-methionine-DL-Sulphoximine(MSO) and 3-(3,4-dichlorophenyl)- N-N-dimethylurea(DCMU) on Physiological Activity of Cyanobacteria Nostoc species Isolated from Lichen Peltigeracanina. Journal of Madenat Alelem, v. 8, n. 2, p. 42–52, 31 Dec.2016.