Conditional and Weighted Measures of Ecological Diversity. - Radu Cornel Guiasu; Silviu Guiasu (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2003)

New Measures for Comparing the Species Diversity Found in Two or More Habitats. - Radu Cornel Guiasu; Silviu Guiasu (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2010)