00330nam a2200109Ia 4500008004100000040003800041100002700079245003700106260004500143300001600188653001600204220119s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aBhattacharyya, Gouri K 0aStatistical concepts and methods  bJOHN WIELY AND SONS, INCaNew Yorkc1977  axv, 639p p.  aMathematics