00395nam a2200133Ia 4500008004100000082001800041100002500059245007400084260003500158300000800193650002000201650001400221653002600235170901s1977    xx            000 0 und d  a301.431bC53A  aConger, John Janeway 0aAdolescence and YouthbPsychological development in a changing World.  aNew YorkbHarper and Rowc1977  a670  aSocial sciences  aSociology  aAdolescent psychology