00282nam a2200097Ia 4500008004100000082003100041100002500072245005200097260002700149300000800176140113s9999    xx            000 0 und d  a"016:5/6(083)""AAS""   L2"  a"Dearson, Hilary J."  aAAAS Science book list for children 3rd edition  a1972bAAAScWashington  a253