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Estimation of parameters in multiple regression with missing covariates using a modified first order regression procedure
Toutenburg, Helge, (2005)
Pitman nearness comparisons of Stein-type estimators for regression coefficients in replicated experiments
Rao, Calyampudi Radhakrishna, (1998)
Application of Stein-type estimation in combining regression estimates from replicated experiments
Srivastava, Virendra K., (1994)