American Public Health Association (APHA), American Water Works Association (AWWA) and Water Pollution Control Federation (WPCF), 1985. Standard Methods for the Examination of Water and Wastewater. Sixteenth Edition, Ed. by Arnold E.Greenberg, R. Rhodes Trussell and Lenore S. Clesceri, Washington DC.
Biligrami, K. S. 1988. Biological monitoring of Rivers, Problems and Prospects in India. Aquat. Ectovicol. (Proc. Indo. Dutch. Symp. Eds. de kruijf et al., ): 245-250.
Hegde, G. R. 1985. On the succession of algae in a temple tank at Dharwar, Karnataka State, India. Geobios, 12(6): 261-263.
Hustedt, F. 1976. Bacillariophyta (Diatomaceae). Otto Koeltz Science Publishers WGermany.
Nygaard, G. 1949. Hydrobiological studies of some Danish ponds and lakes II. The quotient hypothesis and some new or little known phytoplankton organisms. K. Danske Vie dersk. Selsk skr., 7(1):1-293.
Palmer, C. M. 1980. Algae and water pollution. Castel House Publishers Ltd., England: 123.
Prescott, G. W. 1982. Algae of the Western Great lakes area. Otto Koeltz Science Publishers W-Germany.
Rao, V. S. 1977. An ecological study of three fresh water ponds of Hyderabad-India IVThe phytoplanktons (Diatoms, Eugleninae and Myxophyceae). Hydrobiologia, 47(2): 319-337.
Sheavly, S. B. and H. G. Marshall. 1989. Phytoplankton and water quality relationships within the Euphotic zone of lake Trashmore, Virginia: A Borrow pit Lake: Castanea, 54(3):153-163.
Trivedy, R. K. and P. K. Goel. 1984. Chemical and Biological methods for water pollution studies. Environmental Pub. Karad, 215.
Venkateshwarlu, V. 1970. An ecological study of the algae of the River Moosi Hyderabad (India) with special reference to water pollution IV. Periodicity of some common species of algae. Hydrobiologia, 35: 45-64.