00378nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400210010810000250012924500160015426000090017030000090017949000320018820250508151050.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a537.2, PARqFEDL  aParker Bertha Morris 0aElectricity  c1952  a35p.  aThe basic science education