00351nam a2200109Ia 450000500170000000800410001702000150005805000200007324500550009326000550014865000380020320251229182947.0251229s9999    xx            000 0 und d  a0732914329  aREF Q 121 .M33  4aThe Macmillan Science and Technology Encyclopedia.  aSouth Melbourneb Austraria c Macmillan Education  aScience - Encyclopedia, Juvenile.