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Petra Kolber: Step-by-Step Strength Training (2010)
directed by Ernie Schultz
featuring Petra Kolber -
10 Minute Solution: Dance Off Belly Fat (2008)
directed by Andrea Ambandos
featuring Petra Kolber -
Cardio for Beginners With Petra Kolber (2009)
directed by Ernie Schultz
featuring Petra Kolber -
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