Biswas, K. Handbook of common water and marsh plants of India and Burma 1936 K. Biswas and C.C. Calder. - 2nd rev. and enl. ed. - Delhi Manager of Publications 1954 - xvi, 216p: ill. - (Health Bulletin no. 24, Malaria Bureau, no.11). . Dewey Class. No.: 581.929 / B56H