Fuller, W. A. and Battese, G. E. (1974), “Estimation of Linear Models with Crossed-Error Structure,” Journal of Econometrics, 2, 67–78.

Hausman, J. A. (1978), “Specification Tests in Econometrics,” Econometrica, 46, 1251–1271.

Nerlove, M. (1971), “Further Evidence on the Estimation of Dynamic Relations from a Time Series of Cross Sections,” Econometrica, 39, 359–382.

Wallace, T. and Hussain, A. (1969), “The Use of Error Components Model in Combining Cross Section with Time Series Data,” Econometrica, 37, 55–72.

Wansbeek, T. and Kapteyn, A. (1989), “Estimation of the Error-Components Model with Incomplete Panels,” Journal of Econometrics, 41, 341–361.