Prakash, J., S. Kishore, D. K. Asthana, P. K. Mishra, and S. K. Singh. “Morphotaxonomy of Fresh Water Chlorophycean Algae (Desmids) from Siddharth Nagar, U.P., India”. Ecoprint: An International Journal of Ecology, vol. 12, June 2010, pp. 21-25, doi:10.3126/eco.v12i0.3193.