Spatial Autocorrelation Among Errors and the Relative Efficiency of OLS in the Linear Regression Model
研究了线性回归模型中误差存在空间自相关时，普通最小二乘法（OLS）的相对效率，对空间计量经济学研究者有参考价值。
Walter Kramer, Christian Donninger, Spatial Autocorrelation Among Errors and the Relative Efficiency of OLS in the Linear Regression Model, Journal of the American Statistical Association, Vol. 82, No. 398 (Jun., 1987), pp. 577-579