1. Regression diagnostics: Identification of influential data and sources of collinearity;Belsley,1980
2. Is the impact of central planning on the level of foreign trade really negative?;Biessen;Journal of Comparative Economics,1990
3. Sensitivity analysis in linear regression;Chatterjee,1988
4. Residuals and influence in regression;Cook,1982
5. The distance between regression models and its impact on model selection;Franses;Applied Mathematics and Computation,1989