00283nam a2200109Ia 4500008004100000082001500041100001900056245004100075250000800116260003800124300001100162190708s9999    xx            000 0 und d  a136.76 B73  aBaker, Harry J 0aIntroduction to exceptional children  a3rd  aNew YorkbMacmillan Companyc1959  axv,523