00391nam a2200157Ia 450000500170000000800460001703700130006304000200007604100130009608400210010910000250013024500280015526000090018330000090019249000320020120250508151052.0008  250505s9999    xx            000 0 eng d  aTextBook  aFEDLbengcFEDL  aeng2eng  a372.3, PARqFEDL  aParker Bertha Morris 0aBeyond the solar system  c1952  a35p.  aThe basic science education