00291nam a2200121Ia 4500008004100000100001400041245003600055260003200091300000900123650001300132942000700145999001700152190216s9999||||xx |||||||||||||| ||und|| aGupta B N 0aStatistics Theory And Practises bPentice Hall Of Indiac1982 a126p aCommerce cBK c37185d37185