//-->
Nonlinear three stage least squares pooling of cross dection and average time series data
Jorgenson, Dale W., (1982)
Flexible times series analysis
Härdle, Wolfgang, (2000)
Modeling financial volatility : extreme observations, nonlinearities and nonstationarities
Barnes, Michelle L., (2000)
Short Term Econometric Forecasting and Seasonal Adjustment.
Babich, George, (1978)
Short term econometric forecasting and seasonal adjustment