00412nam a2200145Ia 450000100060000000800410000602000180004704000130006508200180007810000160009624500960011226000400020830000110024854600070025957553140507s9999    xx            000 0 und d  a9780743252522  cPK-LaUMT  a 158.1bCOV-S  aCovey, Sean 4aThe 7 habits of highly effective teenagersbthe ultimate teenage success guidecCovey, Sean  aLondon,UK:bSimon & Schuster,c1998  a272 p.  aEN