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Efficiency of an OGLS estimator in seemingly unrelated regression equations with constrained covariance structures
Srivastava, Virendra K., (1986)
Demand for money in India: an empirical evaluation
Misra, Ganesh D., (1986)
Estimation of disequilibrium models with autocorrelated disturbances
Bhaskara Rao, Buddhavarapu, (1987)