1. Freistaat Bayern: Digitales Bayern
2. The two panels of graphs present respectively the extracted attack and defense strengths for all teams in the Bundesliga from the season 2006/07 towards 2012/13, together with confidence intervals based on one standard error. The more persistent attack and defense strength processes of the group I teams are clearly visible. Group I = {Dortmund;Group II is formed by the remaining teams. References Abramowitz, M. and I. A. Stegun,1972
3. On the Poisson difference distribution inference and applications;A Alzaid;Bulletin of the Malaysian Mathematical Sciences Society,2010
4. Some reflections on analysis of high-frequency data;T G Andersen;J. Business and Economic Statist,2000