1. Banerjee, S.K. (1960). Approximate confidence interval for linear functions of means of k-populations when the populations are not equal. Sankhya, 22, 357–258.
2. Behrens, W.V. (1929). Ein beitrag zur Fehlerberechnung bei wenigen Beobachtungen (translation: A contribution to error estimation with few observations). Landwirtschaftliche Jahrbcher, 68, 807–837.
3. Box, G.E.P., Hunter, W.G. and Hunter, J.S. (1978). Statistics for experimenters. Wiley.
4. Chang, C.H. & Pal, N. (2008). A revisit to the Behrens-Fisher problem: Comparison of five test methods. Comm. Statist. Simulation Comput., 37, 1064–1085.
5. Dalal, S.R. (1978). Simultaneous confidence procedures for univariate and multivariate Behrens-Fisher type problems. Biometrika, 65, 221–224.