00406nam a2200133Ia 4500008004100000020001800041040003800059100001700097245006000114250000800174260004600182300001500228653002900243211228s9999    xx            000 0 und d  a0-674-27230-7  cJayakar Knowledge Resource Centre  aKegan Robert 0aEvolving self: problem and process in human development  a1st  bHarvard University PressaCambridgec1982  axi,318p p.  aDevelopmental psychology