00385nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400210010810000190012924500330014826000090018130000090019054600280019920250508151050.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a372.3, BLOqFEDL  aBlough Glenn O 0aWater appears and disappears  c1950  a35p.  aBasic science education