00537nam a2200181Ia 450000500170000000800410001702000180005804000190007604100120009508200130010710000220012024501140014226000310025630000170028765000180030470000230032285000100034520240605112947.0131103s9999    xx            000 0 und d  a0 590 93089 3  aLoreto College  aEnglish  a570bSIL  aSilver, Donald M. 4aThe amazing earth model bookb easy to make hands on models that teach cDonald M. Silver & Patricia J. Wynne  aNew YorkbScholasticc1997  a127p.b ill.  aLife sciences  aWynne, Patricia J.  aLCBED