00510nam a2200169Ia 450000500170000000800460001703700120006304000200007504100130009508400190010824500450012724500100017226000510018230000160023349000410024954600500029020250508154514.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a574, NCEqFEDL 0aBiological science: An inquiry into life 0cNCERT  aNew York, USAbHarcourt, Brace and Worldc1963  axviii,283p.  aBiological sciences curriculum study  aTeacher's manual for student laboratory guide