00314nam a2200133Ia 45000030006000000050017000060080041000230400015000641000016000792450024000952500011001192600038001305460012001680STCL20220125170056.0150530s9999    xx            000 0 und d  aSTCLcSTCL  aGupta, S.P.  aStatistical Methods  aNineth  bS Chand and Sonsc1978aNew Delhi  aEnglish