(1)
Paulo Mormul, R.; Alves Ferreira, F.; Sala Michelan, T.; Carvalho, P.; José Silveira, M.; Magela Thomaz, S. Aquatic Macrophytes in the Large, Sub-Tropical Itaipu Reservoir, Brazil. Rev. Biol. Trop. 2010, 58, 1437–1452.