TY - BOOK AU - Wildi, Marc TI - Signal extraction: ; efficient estimation, 'unit-root'-tests and early detection of turning points T2 - Lecture notes in Economics and Mathematical systems SN - 3540229353 U1 - 519.11481 PY - 2005/// CY - Berlin PB - Springer-Verlag N1 - "Purchased under NBHM grant for the year 2004-2005" ER -