@article{pierini_thomaz_2009,  title={Effects of limnological and morphometric factors upon Zmin, Zmax and width of Egeria spp stands in a tropical reservoir},  volume={52},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89132009000200016},  DOI={10.1590/S1516-89132009000200016},  number={2},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Pierini, Sandra Andréa and Thomaz, Sidinei Magela},  year={2009},  month={Mar},  pages={387–396} }