00335nam a2200109Ia 4500008004100000020001800041082001400059100002100073245008100094260003000175300002000205250824s9999    xx            000 0 und d  a9781471131820  a158.1 COV  aStephen R. Covey 4aThe 7 Habits of Highly Effective People: Powerful Lessons in Personal Change  a-bSimon & Schusterc2013  a391 p. ; 21 cm.