00398nam a2200133Ia 450000500170000000800410001702000180005805000210007610000130009724500860011025000080019626000340020465000260023820251229085512.0251229s9999    xx            000 0 und d  a0-205-06931-2  aFASS BF 724 .U62  aAdams  J 0aUnderstanding adolescencebcurrent developments in adolescent psychologycJ Adams  a4th  aBostonbAllyn and baconc1980  aAdolescent Psychology