Template:Balakrishnan, 1980b
- Balakrishnan, M.S. 1980. Taxonomic studies on U.S. Pacific Cryptonemiaceae I. Two new genera: Isabbottia and Norrissia. In: Taxonomy of algae. Papers presented at the International Symposium on Taxonomy of Algae held at the Centre of Advanced Study in Botany, University of Madras, December 9-16, 1974. (T.V. Desikachary & V.N. Raja Rao Eds), pp. 273–286. Madras: University of Madras.