00320nam a2200121Ia 4500003000400000008004100004020001400045040000800059100002600067245006500093260002500158300001500183LDD181029s9999    xx            000 0 und d  a314778306  cLDD  aThornburg, Hershel D. 0aIntroduction to educational psychologycHershel D. Thornburg  aNew YorkbWestc1984  axix, 555p.