00343nam a2200121Ia 4500008004100000040002500041082001200066100002700078245005000105250001900155260003600174300001100210230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a155 H93  aHurlock,  Elizabeth B. 0aDevelopment psychology : a life span approach  aFifth Edition   bMcGraw-Hill Book Company c1982  a477 p.