00353nam a2200133Ia 4500008004100000082001600041100001300057100001300070245002100083250001100104260004300115300000600158650005500164150614s9999    xx            000 0 und d  a519.5 NAG B  aDas R.K.  aNagar A.  aBasic Statistics  aII-ed.  bOxford  University  Press ,Delhic1983  a0  aBasic Statistics   Nagar A.. & Das R.K.519.5 NAG B