Chaturvedi, A., Van Hoa, T. and Shukla, G. (1996).Improved Estimation in the Restricted Regression Model with Non-Spherical Disturbances.J. Quant. Econ. 12: 115-123.
Chaturvedi, A., Wan, A.T.K. and Singh, S.P. (2001).Stein-Rule Restricted Regression Estimator in a Linear Regression Model with Nonspherical Disturbances.Comm. Statist. Theory Methods. 30 (1): 55-68.
Chaturvedi, A., Shalabh, S. (2014). Bayesian Estimation of Regression Coefficients Under Extended Balanced Loss Function. Commun.Stat. Theory Methods. 43: 4253-4264.
Hoerl, E., Kennard, R. W. (1970a). Ridge Regression: Biased Estimation for Nonorthogonal Problems. Technometrics 12 (1): 55-67.10.1080/00401706.1970.10488634
Kaçıranlar, S., Sakallıoğlu, S., Özkale, M.R. and Güler, H. (2011). More On the Restricted Ridge Regression Estimation. J. Stat. Comput. Simul. 81 (11): 1433-1448.
Kumar, M., Mishra, N. and Gupta, R. (2008).Predictive Performance of the Improved Estimators with Exact Restrictions in Linear Regression Models.Amer. J. Math. Management Sci. 28: 419-432.
Shalabh, S. (1995).Performance of Stein-Rule Procedure for Simultaneous Prediction of Actual and Average Values of Study Variable in Linear Regression Model.Bull. Int. Stat. Ins. 56: 1375-1390.
Shalabh, S., Toutenburg, H. and Heumann, C. (2009).Stein-Rule Estimation Under an Extended Balanced Loss Function. J. Stat. Comput. Simul. 79 (10): 1259-1273.
Srivastava, V.K., Srivastava, A.K. (1983). Improved Estimation of Coefficients in Regression Models With Incomplete Prior Information.Biom. J. 25: 775-782.
Srivastava, A.K., Chandra, R. (1991). Improved Estimation of Restricted Regression Model When Disturbances are Not Necessarily Normal. Sankhya, Ser. B. 53: 119-133.
Stein, C. (1956). Inadmissibility of Usual Estimator for the Mean of a Multivariate Normal Distribution.Proc. Third Berkeley Symp.on Math. Statist.and Prob., Vol. 1, Univ. of Calif. Press, 197- 206, Berkeley.10.1525/9780520313880-018
Trenkler, G. (1984). On the Performance of Biased Estimators in the Linear Regression Model with Correlated or Heteroscedastic Errors. J. Econometrics. 25: 179-190.
Wan, A.T.K., Chaturvedi, A. (2000). Operational Variants of the Minimum Mean Squared Error Estimator in Linear Regression Models with Non-Spherical Disturbances. Ann. Inst. Statist.Math. 52: 332-342.