Historical Invasion Records Can Be Misleading: Genetic Evidence for Multiple Introductions of Invasive Raccoons (Procyon lotor) in Germany. - Fischer, Mari L.; Hochkirch, Axel; Heddergott, Mike; Schulze, Christoph; Anheyer-Behmenburg, Helena E.; Lang, Johannes; Michler, Frank-Uwe; Hohmann, Ulf; Ansorge, Hermann; Hoffmann, Lothar; Klein, Roland; Frantz, Alain C. (PLoS ONE, 2015)