Departure of Bartlett's Distribution of the Homogeneity of Variances for Unequal Sample Sizes from that of Equal Sample Sizes. E.B. Manoukian — 1983 Metrika
Exact Critical Values of Bartlett's Test of Homogeneity of Variances for Unequal Sample Sizes for two Populations and Power of the Test. E.B. Manoukian; J. Maurais; R. Ouimet — 1986 Metrika