Maddala, G S. Unit roots,cointegration, and structural change / G S Maddala. - Cambridge : CUP, 1998. - 505 PBK ISBN: 0521587824 Standard No.: 40 [old SOUL v1.0 record id] Subjects--Topical Terms: Econometrics Dewey Class. No.: 330.015195 / M 262 u