//-->
Is Seasonal Adjustment a Linear or Nonlinear Data-Filtering Process?
Ghysels, Eric, (1996)
On the (Mis)Specification of Seasonality and Its Consequences: An Empirical Investigation with U.S. Data.
Ghysels, Eric, (1993)
Unit-Root Tests and Asymmetric Adjustment with an Example Using the Term Structure of Interest Rates.
Enders, Walter, (1998)