1. APHA-AWWA-WEF. Standard methods for the examination of water and wastewater. 20th. Washington D.C. American Public Health Association; 1999. p. 1325.
2. Aranguren-Ria-o N. Estudio de los copépodos planctónicos (Crustacea) de la Ciénaga de Guarinocito, Magdalena Medio [tesis de maestría]. Bogotá: Departamento de Biología, Universidad de Los Andes. Bogotá; 1998. p. 69.
3. Factors controlling crustacean zooplankton species richness in Neotropical lakes
4. Ecología del Zooplancton de los Embalses. Mundo Científico. 1982;2(11):168-178. Beisner B. Plankton Community Structure in Fluctuating Environments and the Role of Productivity.;Armengol;Oikos,2001
5. Diversity in Tropical Rain Forests and Coral Reefs