(1)
Duarte, J. B.; Vencovsky, R.; Dias, C. T. dos S. Estimators of Variance Components in the Augmented Block Design With New Treatments from One or More Populations. PAB 2001, 36 (9), 1155-1167. https://doi.org/10.1590/S1678-3921.pab2001.v36.6233.