Heagerty, Patrick; Michael D. Ward & Kristian Skrede Gleditsch (2002) Windows of Opportunity: Window Subseries Empirical Variance Estimators in International Relations, Political Analysis 10 (3): 304–317.
Journal article
Heagerty, Patrick; Michael D. Ward & Kristian Skrede Gleditsch (2002) Windows of Opportunity: Window Subseries Empirical Variance Estimators in International Relations, Political Analysis 10 (3): 304–317.