1. Lectures on Macroeconomics;Blanchard,1989
2. Cyclical Analysis of Time Series: Selected Procedures and Computer Programmes;Bry,1971
3. Measuring Business Cycles;Burns,1946
4. Business Cycles: Durations, Dynamics and Forecasting;Diebold,1999
5. Stretching the South African business cycle;du Plessis;Economic Modelling,2004