Fernando, C.H. The Freshwater Zooplankton of Sri Lanka, with a Discussion of Tropical Freshwater Zooplankton Composition - Colombo 15 : NARA, 1979 - P. 11-54 - Bulletin of the Fisheries Research Station Sri Lanka (Ceylon) ; Vol.29 Nos. 1 and 2 . Subjects--Topical Terms: Aquatic Sciences