00350nam a2200121Ia 4500008004100000020001600041082001400057100002100071245008100092260002100173260000900194650002500203261001s9999    xx            000 0 und d  a9.78067E+12  a158.1 COV  aStephen R. Covey 4aThe 7 Habits of Highly Effective People: Powerful Lessons in Personal Change  bSimon & Schuster  c1989  aPersonal development