BrownM. B., and ForsytheA. B.1974. Robust tests for the equality of variances. Journal of the American Statistical Association69: 364–367.
2.
LeveneH.1960. Robust tests for equality of variances. In Contributions to Probability and Statistics: Essays in Honor of Harold Hotelling, ed. OlkinI., GhuryeS. G., HoeffdingW., MadowW. G., and MannH. B., 278–292. Menlo Park, CA: Stanford University Press.