3SIMS C A,STOCK J H,WATSON M W.Inference in Linear Time Series Models with Some Unit Roots[J].Econometrica,1990,58 (1):161-82.
4Sims, Christopher A. , James H. Stock, and Mark W. Watson. Inference in Linear Time Series Models with Some Unit Roots [ J]. Econometrica, 1990, 58, ( 1 ) : 61 - 82.