REFERENCES Battese, G.E., Harter, R.M., Fuller, W.A. (1988), “An error components model for prediction of county crop area using survey and satellite data”, Journal of the American Statistical Association, 83: 28-36. Fuller, W.A., Battese, G.A., (1973), “Transformations for estimation of linear models with nested-error structure”, Journal of the American Statistical Association, 85: 626-632. Kleffe, J., Rao, J.N.K. (1992), “Estimation of mean squared error of empirical best linear unbiased predictors under a random error variance linear model”, Journal of Multivariate Analysis, 43: 1-15 Rao, J.N.K. (2003), Small area estimation, 313 pp., John Wiley&Sons, Hoboken-New Jersey. Ştefan, M. (2005), Contributions à l’estimation pour petits domaines, Ph.D. Thesis, 303 pp., Université Libre de Bruxelles. Stukel, D.M. and Rao, J.N.K. (1999), “Small area estimation under two-fold nested error regression models”, Journal of Statistical Planning and Inference, 78: 131-147